Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Oct. 27, 2018	Oct. 28, 2017
Cash flows from operating activities:
Net (loss) income	$ 21,075	$ 13,612
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization expense	32,959	31,721
Amortization of deferred financing costs	751	751
Deferred taxes	5,800	(684)
Stock-based compensation expense	4,973	4,153
Change in other long-term liabilities	(414)	(426)
Changes in other operating assets and liabilities, net	171,427	150,076
Net cash flows provided by (used in) operating activities	236,571	199,203
Cash flows from investing activities:
Purchases of property and equipment	(23,152)	(22,422)
Payments to Acquire Businesses, Net of Cash Acquired	(10,000)	(58,259)
Net increase in other noncurrent assets	(1,127)	(601)
Net cash flows used in investing activities	(34,279)	(81,282)
Cash flows from financing activities:
Proceeds from borrowings on Credit Facility	119,900	225,400
Repayments of borrowings on Credit Facility	(316,300)	(343,200)
Payments for Repurchase of Common Stock	(1,971)	(1,629)
Net cash flows used in financing activities	(198,371)	(119,429)
Net decrease in cash and cash equivalents	3,921	(1,508)
Changes in other operating assets and liabilities, net:
Receivables, net	(37,988)	(67,256)
Merchandise inventories	(62,384)	(72,664)
Textbook rental inventories	(22,820)	(25,236)
Prepaid expenses and other current assets	(4,708)	(11,002)
Accounts payable and accrued liabilities	299,327	326,234
Changes in other operating assets and liabilities, net	171,427	150,076
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	16,869	21,697
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 20,790	$ 20,189