CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net earnings (loss)	$ 4,108	$ 6,703	$ (11,031)
Earnings from discontinued operations, net of tax		(15,351)	(15,511)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	82,690	85,463	80,447
Loss on disposal of assets	3,040	232	1,700
Impairment of goodwill and other assets		6,829
Deferred income taxes	(8,818)	(11,664)	(4,965)
Non-cash stock-based compensation expense	49,145	31,463	28,316
Changes in operating assets and liabilities:
Accounts receivable, net	(11,161)	(13,014)	3,744
Other assets	(172)	(13,632)	12,867
Accounts payable and other liabilities	4,302	25,529	(28,129)
Deferred revenue	(7,304)	11,084	(6,307)
Net cash provided by operating activities	115,830	113,642	61,131
Cash flows from investing activities:
Capitalized software development costs	(14,477)	(14,880)	(18,587)
Capital expenditures	(47,993)	(47,423)	(56,952)
Data acquisition costs	(881)	(1,553)	(1,871)
Proceeds from sales of assets	25,494
Equity investments	(1,000)
Cash paid in acquisitions, net of cash acquired	(137,383)	(5,386)	(265,672)
Net cash received from disposition	16,988
Net cash used in investing activities	(159,252)	(69,242)	(343,082)
Cash flows from financing activities:
Proceeds from debt	70,000
Payments of debt	(32,243)	(87,231)	(26,601)
Sale of common stock, net of stock acquired for withholding taxes	15,709	10,417	5,039
Excess tax benefits from stock-based compensation	2,852	3,551	4,645
Acquisition of treasury stock	(30,542)	(52,764)	(9,868)
Net cash provided by (used in) financing activities	25,776	(126,027)	(26,785)
Net cash used in continuing operations	(17,646)	(81,627)	(308,736)
Cash flows from discontinued operations:
Net cash provided by operating activities		6,323	43,853
Net cash provided by (used in) investing activities		124,506	(9,254)
Net cash used in financing activities		(206)	(1,820)
Net cash provided by discontinued operations		130,623	32,779
Net cash provided by (used in) continuing and discontinued operations	(17,646)	48,996	(275,957)
Effect of exchange rate changes on cash	(1,640)	(377)	(1,619)
Net change in cash and cash equivalents	(19,286)	48,619	(277,576)
Cash and cash equivalents at beginning of period	189,629	141,010	418,586
Cash and cash equivalents at end of period	170,343	189,629	141,010
Cash paid during the period for:
Interest	7,779	8,145	8,673
Income taxes, net of refunds	$ 6,866	6,100	(3,845)
Prepayment of debt		$ 55,000
Payments on capital leases and installment payment arrangements			$ 3,823