Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Total revenue	$ 826,764	$ 755,936	$ 1,694,620	$ 1,450,120
Operating expenses
Cost of operations (exclusive of depreciation and amortization below)	346,632	326,653	698,695	645,195
Research and development	67,070	54,052	138,310	109,787
Sales, marketing, general and administrative	183,041	171,606	360,997	337,080
Customer postage	52,550	50,023	103,758	95,795
Depreciation and amortization	163,469	146,869	331,681	285,409
Accretion and changes in estimate with related parties, net	2,870	3,564	5,907	9,459
Gain on sale of businesses		(176)		(28,270)
Total operating expenses	815,632	752,591	1,639,348	1,454,455
Operating income (loss)	11,132	3,345	55,272	(4,335)
Non-operating (income) expense
Interest expense, net	59,466	61,627	118,852	124,294
Loss on extinguishment of debt	2,232	1,489	2,232	1,489
Other, net	2,587	(3,761)	(605)	(1,953)
Total non-operating (income) expense	64,285	59,355	120,479	123,830
Income (loss) before income tax provision (benefit)	(53,153)	(56,010)	(65,207)	(128,165)
Income tax provision (benefit)	(16,749)	(13,388)	(25,198)	(26,849)
Net income (loss)	$ (36,404)	$ (42,622)	$ (40,009)	$ (101,316)
Net income (loss) per share:
Basic and diluted	$ (0.11)	$ (0.13)	$ (0.12)	$ (0.32)
Weighted average common shares outstanding:
Basic and diluted	324,060,460	320,638,116	323,309,280	320,347,128
Solutions [Member]
Total revenue	$ 774,214	$ 705,913	$ 1,590,862	$ 1,354,325
Postage [Member]
Total revenue	$ 52,550	$ 50,023	$ 103,758	$ 95,795