Long-Term Debt (Schedule Of Long-Term Debt) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Other	$ 8,487,000	$ 7,427,000
Less current portion	(30,163,000)	(32,775,000)
Long-term debt	2,740,554,000	2,741,178,000
Data Sublicense Agreement [Member]
Debt Instrument [Line Items]
Long-term debt	10,810,000	10,810,000
Senior Secured Term Loan Facility, Effective Interest Of 4.29% [Member] \| Senior Credit Facilities [Member]
Debt Instrument [Line Items]
Long-term debt	1,615,308,000	1,621,981,000
Long-term debt, face amount	$ 1,696,000,000
Maturity date	Nov. 02, 2018
Long-term debt, unamortized discount	$ 17,494,000	23,511,000
Long-term debt, effective interest rate	4.29%
Senior Secured Term Loan Facility, Effective Interest Of 4.54% [Member] \| Senior Credit Facilities [Member]
Debt Instrument [Line Items]
Long-term debt	$ 154,317,000	154,666,000
Long-term debt, face amount	$ 160,000,000
Maturity date	Nov. 02, 2018
Long-term debt, unamortized discount	$ 2,483,000	3,334,000
Long-term debt, effective interest rate	4.54%
Senior Secured Revolving Credit Facility [Member] \| Senior Credit Facilities [Member]
Debt Instrument [Line Items]
Long-term debt, face amount	$ 125,000,000
Senior Secured Revolving Credit Facility, Due November 2, 2016 [Member] \| Senior Credit Facilities [Member]
Debt Instrument [Line Items]
Long-term debt, face amount	$ 28,400,000
Maturity date	Nov. 02, 2016
Senior Secured Revolving Credit Facility, Due August 3, 2018 [Member] \| Senior Credit Facilities [Member]
Debt Instrument [Line Items]
Long-term debt, face amount	$ 96,600,000
Maturity date	Aug. 03, 2018
11% Senior Notes Due December 31, 2019 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 369,673,000	368,701,000
Long-term debt, face amount	$ 375,000,000
Long-term debt, stated interest rate	11.00%
Maturity date	Dec. 31, 2019
Long-term debt, unamortized discount	$ 5,327,000	6,299,000
Long-term debt, effective interest rate	11.53%
11.25% Senior Notes Due December 31, 2020 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 367,504,000	366,529,000
Long-term debt, face amount	$ 375,000,000
Long-term debt, stated interest rate	11.25%
Maturity date	Dec. 31, 2020
Long-term debt, unamortized discount	$ 7,496,000	8,471,000
Long-term debt, effective interest rate	11.85%
6% Senior Notes Due February 15, 2021 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 244,618,000	243,839,000
Long-term debt, face amount	$ 250,000,000
Long-term debt, stated interest rate	6.00%
Maturity date	Feb. 15, 2021
Long-term debt, unamortized discount	$ 5,382,000	$ 6,161,000
Long-term debt, effective interest rate	6.57%

Change Healthcare Holdings, Inc. 10-Q/A