Financial Statements of Guarantors (Details 1) (USD $)
In Millions, unless otherwise specified

3 Months Ended

10 Months Ended

12 Months Ended

8 Months Ended

12 Months Ended

4 Months Ended

12 Months Ended

8 Months Ended

12 Months Ended

4 Months Ended

12 Months Ended

8 Months Ended

12 Months Ended

4 Months Ended

12 Months Ended

8 Months Ended

12 Months Ended

4 Months Ended

12 Months Ended

8 Months Ended

12 Months Ended

4 Months Ended

12 Months Ended

2 Months Ended

3 Months Ended

8 Months Ended

12 Months Ended

1 Months Ended

3 Months Ended

4 Months Ended

12 Months Ended

Dec. 31, 2013

Sep. 30, 2013

Jun. 30, 2013

Mar. 31, 2013

Dec. 31, 2012

Sep. 30, 2012

Jun. 30, 2012

Mar. 31, 2012

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Parent TransUnion Corp. [Member]

Successor [Member]

Dec. 31, 2013

Parent TransUnion Corp. [Member]

Successor [Member]

Apr. 30, 2012

Parent TransUnion Corp. [Member]

TransUnion Corp-Predecessor

Dec. 31, 2011

Parent TransUnion Corp. [Member]

TransUnion Corp-Predecessor

Dec. 31, 2012

Issuers Trans Union LLC and TransUnion Financing Corporation [Member]

Successor [Member]

Dec. 31, 2013

Issuers Trans Union LLC and TransUnion Financing Corporation [Member]

Successor [Member]

Apr. 30, 2012

Issuers Trans Union LLC and TransUnion Financing Corporation [Member]

TransUnion Corp-Predecessor

Dec. 31, 2011

Issuers Trans Union LLC and TransUnion Financing Corporation [Member]

TransUnion Corp-Predecessor

Dec. 31, 2012

Guarantor Subsidiaries [Member]

Successor [Member]

Dec. 31, 2013

Guarantor Subsidiaries [Member]

Successor [Member]

Apr. 30, 2012

Guarantor Subsidiaries [Member]

TransUnion Corp-Predecessor

Dec. 31, 2011

Guarantor Subsidiaries [Member]

TransUnion Corp-Predecessor

Dec. 31, 2012

Non-Guarantor Subsidiaries [Member]

Successor [Member]

Dec. 31, 2013

Non-Guarantor Subsidiaries [Member]

Successor [Member]

Apr. 30, 2012

Non-Guarantor Subsidiaries [Member]

TransUnion Corp-Predecessor

Dec. 31, 2011

Non-Guarantor Subsidiaries [Member]

TransUnion Corp-Predecessor

Dec. 31, 2012

Eliminations [Member]

Successor [Member]

Dec. 31, 2013

Eliminations [Member]

Successor [Member]

Apr. 30, 2012

Eliminations [Member]

TransUnion Corp-Predecessor

Dec. 31, 2011

Eliminations [Member]

TransUnion Corp-Predecessor

Jun. 30, 2012

Transunion Corp [Member]

Successor [Member]

Dec. 31, 2013

Transunion Corp [Member]

Successor [Member]

Sep. 30, 2013

Transunion Corp [Member]

Successor [Member]

Jun. 30, 2013

Transunion Corp [Member]

Successor [Member]

Mar. 31, 2013

Transunion Corp [Member]

Successor [Member]

Dec. 31, 2012

Transunion Corp [Member]

Successor [Member]

Sep. 30, 2012

Transunion Corp [Member]

Successor [Member]

Dec. 31, 2012

Transunion Corp [Member]

Successor [Member]

Dec. 31, 2013

Transunion Corp [Member]

Successor [Member]

Apr. 30, 2012

Transunion Corp [Member]

TransUnion Corp-Predecessor

Mar. 31, 2012

Transunion Corp [Member]

TransUnion Corp-Predecessor

Apr. 30, 2012

Transunion Corp [Member]

TransUnion Corp-Predecessor

Dec. 31, 2011

Transunion Corp [Member]

TransUnion Corp-Predecessor

Consolidating Statement of Income

Revenue

$ 767.0

$ 1,183.2

$ 0

$ 465.7

$ 700.7

$ 228.7

$ 637.3

$ 168.2

$ 279.7

$ 82.5

$ 209.4

$ 176.1

$ 260.6

$ 84.6

$ 238.4

$ (43.0)

$ (57.8)

$ (22.8)

$ (61.1)

$ 767.0

$ 1,183.2

$ 373.0

$ 1,024.0

Operating expenses

Cost of services

298.2

472.4

202.3

311.3

122.6

295.1

72.9

118.9

36.1

88.3

52.9

81.3

29.6

79.5

(29.9)

(39.1)

(16.3)

(41.4)

298.2

472.4

172.0

421.5

Selling, general and administrative

212.6

354.8

0.1

0.3

135.5

208.7

120.0

166.9

39.3

81.6

30.5

63.0

50.9

83.0

28.3

55.4

(14.0)

(19.8)

(6.9)

(21.1)

211.7

353.5

172.0

264.5

Depreciation and amortization

115.0

186.8

91.3

146.9

19.8

60.9

7.7

15.6

5.9

17.1

16.0

24.3

3.5

7.3

115.0

186.8

29.2

85.3

Total operating expenses

625.8

1,014.0

0.1

0.3

429.1

666.9

262.4

522.9

119.9

216.1

72.5

168.4

119.8

188.6

61.4

142.2

(43.9)

(58.9)

(23.2)

(62.5)

624.9

1,012.7

373.2

771.3

Operating income

36.3

49.3

39.5

44.2

43.4

61.3

36.5

^[1]

141.2

169.2

(0.1)

(0.3)

36.6

33.8

(33.7)

114.4

48.3

63.6

10.0

41.0

56.3

72.0

23.2

96.2

0.9

1.1

0.4

1.4

37.0

^[2]

36.5

49.7

39.8

44.5

43.6

61.6

142.1

170.5

(65.8)

^[2]

65.6

^[2]

(0.2)

252.7

Non-operating income and expense

Interest expense

(125.0)

(197.6)

(0.3)

(1.3)

(73.1)

(101.3)

(40.2)

(124.9)

0.1

(1.1)

(0.3)

(0.2)

0.2

0.9

0.3

(72.8)

(101.4)

(40.5)

(126.4)

Earnings from equity method investments

8.0

13.7

61.5

43.6

(51.8)

42.9

59.3

91.3

28.3

89.9

16.4

2.7

4.5

1.3

3.2

(115.5)

(142.1)

26.3

(124.6)

8.0

13.7

4.1

11.4

Interest income

0.8

1.7

0.3

0.2

0.9

0.3

0.1

0.8

1.6

0.3

0.6

(0.2)

(0.8)

(0.3)

0.8

1.7

0.6

0.7

Other income and (expense), net

(22.3)

(12.9)

(0.3)

(0.1)

(20.9)

1.4

(3.8)

(4.9)

(61.9)

(2.1)

(0.1)

(6.1)

(5.4)

(1.7)

(7.9)

(0.9)

(1.2)

(0.4)

(1.4)

(5.9)

(12.6)

(27.9)

(71.3)

Total non-operating income and expense

(138.5)

(195.1)

61.2

43.5

(72.7)

41.6

(12.2)

(12.9)

(16.5)

(96.8)

14.4

(0.1)

(2.5)

(0.4)

(4.3)

(116.4)

(143.2)

25.9

(126.0)

(69.9)

(98.6)

(63.7)

(185.6)

Income (loss) before income taxes

2.7

(25.9)

61.2

43.5

(72.8)

41.3

24.4

20.9

(50.2)

17.6

48.3

78.0

10.0

40.9

53.8

71.6

22.8

91.9

(115.5)

(142.1)

26.3

(124.6)

72.2

71.9

(63.9)

67.1

Provision for income taxes

(6.6)

(2.3)

(18.2)

(0.3)

17.9

(0.5)

37.1

22.7

(1.6)

25.3

(21.8)

(28.6)

(20.9)

(21.4)

(15.6)

(4.8)

(21.7)

(24.3)

(21.8)

11.5

(17.8)

Income (loss) from continuing operations

40.8

42.9

20.0

70.2

(124.6)

47.9

50.1

(52.4)

49.3

Discontinued operations, net of tax

(0.5)

Net income

(15.7)

(1.4)

(6.1)

(5.0)

(6.7)

13.5

(2.3)

^[1]

(8.5)

^[1],[3]

(3.9)

(28.2)

43.0

43.2

(54.9)

40.8

61.5

43.6

(51.8)

42.9

26.5

49.4

10.0

20.0

32.4

56.0

18.0

69.7

(115.5)

(142.1)

26.3

(124.6)

10.8

^[2]

7.2

19.5

11.9

11.5

14.1

23.0

47.9

50.1

(64.5)

^[2]

12.1

^[2]

(52.4)

48.8

Less: net income attributable to noncontrolling interests

(4.9)

(6.9)

(4.9)

(6.9)

(2.5)

(8.0)

(4.9)

(6.9)

(2.5)

(8.0)

Net loss attributable to TransUnion Holding Company, Inc.

$ (17.6)

$ (3.4)

$ (7.8)

$ (6.3)

$ (8.2)

$ 11.3

$ (3.5)

^[1]

$ (8.5)

^[1],[3]

$ (8.8)

$ (35.1)

$ 43.0

$ 43.2

$ (54.9)

$ 40.8

$ 61.5

$ 43.6

$ (51.8)

$ 42.9

$ 26.5

$ 49.4

$ 10.0

$ 20.0

$ 27.5

$ 49.1

$ 15.5

$ 61.7

$ (115.5)

$ (142.1)

$ 26.3

$ (124.6)

$ 9.6

^[2]

$ 5.3

$ 17.5

$ 10.2

$ 12.6

$ 20.8

$ 43.0

$ 43.2

$ (65.1)

^[2]

$ 10.2

^[2]

$ (54.9)

$ 40.8

[1]	The financial results of TransUnion Holding include the consolidated results of TransUnion Corp subsequent to April 30, 2012, the date of acquisition. See Note 1, “Significant Accounting and Reporting Policies,” and Note 2, “Change in Control Transaction,” for further information. For the period of inception through March 31, 2012, net income (loss) and net income (loss) attributable to TransUnion Holding included $7.0 million of acquisition fees related to the 2012 Change in Control Transaction. For the three months ended June 30, 2012, net income (loss) and net income (loss) attributable to TransUnion Holding included $8.2 million of acquisition fees related to the 2012 Change in Control Transaction.
[2]	For the three months ended March 31, 2012, net income (loss) and net income (loss) attributable to TransUnion Corp included $2.6 million of acquisition fees related to the 2012 Change in Control Transaction. For the one month ended April 30, 2012, net income (loss) and net income (loss) attributable to TransUnion Corp included $18.3 million of acquisition fees related to the 2012 Change in Control Transaction. For the one month ended April 30, 2012, operating income (loss), net income (loss) and net income (loss) attributable to TransUnion Corp all included $90.0 million of accelerated stock-based compensation and related expense as a result of the 2012 Change in Control Transaction. For the two months ended June 30, 2012, operating income (loss), net income (loss) and net income (loss) attributable to TransUnion Corp all included $0.3 million of accelerated stock-based compensation and related expense as a result of the 2012 Change in Control Transaction.
[3]	Period is from inception of TransUnion Holding, February 15, 2012, through March 31, 2012.

TRANSUNION CORP. 10-K