Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jan. 26, 2019	Jan. 27, 2018
Cash flows from operating activities:
Net (loss) income	$ 21,844	$ (269,623)
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization expense	49,333	48,728
Amortization of deferred financing costs	1,127	1,127
Other Nonrecurring Expense	0	313,130
Deferred taxes	5,885	(12,594)
Stock-based compensation expense	6,851	6,223
Change in other long-term liabilities	(823)	(23,252)
Changes in other operating assets and liabilities, net	91,645	76,626
Net cash flows provided by (used in) operating activities	175,862	140,365
Cash flows from investing activities:
Purchases of property and equipment	(31,711)	(30,101)
Payments to Acquire Businesses, Net of Cash Acquired	(10,000)	(58,259)
Net increase in other noncurrent assets	43	(404)
Net cash flows used in investing activities	(41,668)	(88,764)
Cash flows from financing activities:
Proceeds from borrowings on Credit Facility	374,000	481,600
Repayments of borrowings on Credit Facility	(500,300)	(528,200)
Payments for Repurchase of Common Stock	(1,971)	(1,630)
Net cash flows used in financing activities	(128,271)	(48,230)
Net decrease in cash and cash equivalents	5,923	3,371
Changes in other operating assets and liabilities, net:
Receivables, net	(131,046)	(157,043)
Merchandise inventories	(136,023)	(166,354)
Textbook rental inventories	(2,798)	(8,601)
Prepaid expenses and other current assets	(8,844)	(15,159)
Accounts payable and accrued liabilities	370,356	423,783
Changes in other operating assets and liabilities, net	91,645	76,626
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	16,869	21,697
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 22,792	$ 25,068