Segment Reporting (Revenue and Adjusted EBITDA for each Reportable Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Net revenue	$ 884,469	$ 867,856
Adjusted EBITDA	280,180	282,728
Reconciliation of income (loss) before tax provision (benefit) to Adjusted EBITDA
Income (loss) before income tax provision (benefit)	(32,479)	(12,055)
Amortization of capitalized software developed for sale	1,302	717
Depreciation and amortization	171,722	168,211
Interest expense	56,870	59,386
Equity compensation	49,961	26,166
Acquisition accounting adjustments	(4,613)	(559)
Acquisition and divestiture-related costs	17,944	6,394
Integration and related costs	1,428	11,368
Strategic initiatives, duplicative and transition costs	5,629	9,928
Severance costs	2,482	4,720
Accretion and changes in estimate, net	4,800	4,732
Impairment of long-lived assets and other	1,161	1,612
Loss on extinguishment of debt	390
Other non-routine, net	3,583	2,108
Adjusted EBITDA	280,180	282,728
Postage and Eliminations [Member]
Segment Reporting Information [Line Items]
Net revenue	20,005	17,058
Purchase Accounting Adjustment [Member]
Segment Reporting Information [Line Items]
Net revenue		(4,461)
Software and Analytics [Member]
Segment Reporting Information [Line Items]
Net revenue	344,927	337,823
Adjusted EBITDA	144,973	137,028
Reconciliation of income (loss) before tax provision (benefit) to Adjusted EBITDA
Adjusted EBITDA	144,973	137,028
Network Solutions [Member]
Segment Reporting Information [Line Items]
Net revenue	223,283	218,264
Adjusted EBITDA	111,433	113,617
Reconciliation of income (loss) before tax provision (benefit) to Adjusted EBITDA
Adjusted EBITDA	111,433	113,617
Technology-Enabled Services [Member]
Segment Reporting Information [Line Items]
Net revenue	213,169	216,776
Adjusted EBITDA	5,126	12,123
Reconciliation of income (loss) before tax provision (benefit) to Adjusted EBITDA
Adjusted EBITDA	5,126	12,123
Postage [Member]
Segment Reporting Information [Line Items]
Net revenue	$ 53,126	$ 51,208

Change Healthcare Inc. 10-Q