Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jan. 26, 2019	Jan. 27, 2018
Cash flows from operating activities:
Net income (loss)	$ 22,498	$ (104,408)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization (including amortization of deferred financing fees)	76,515	83,306
Stock-based compensation expense	3,091	4,788
Impairment charges	22,067	135,436
Deferred taxes		(25,667)
Loss on disposal of property and equipment	699	589
Net increase (decrease) in other long-term liabilities	1,474	(7,599)
Net (increase) decrease in other non-current assets	255	(3,614)
Changes in operating assets and liabilities, net	26,291	25,302
Net cash flows provided by operating activities	152,890	108,133
Cash flows from investing activities:
Purchases of property and equipment	(79,722)	(69,971)
Net cash flows used in investing activities	(79,722)	(69,971)
Cash flows from financing activities:
Proceeds from credit facility	912,025	877,822
Payments on credit facility	(941,474)	(882,917)
Cash dividends paid	(32,874)	(32,719)
Purchase of treasury stock related to stock-based compensation	(847)	(653)
Payment of amended credit facility related fees	(4,425)
Cash dividends paid for long-term incentive awards	(479)	(188)
Net cash flows used in financing activities	(68,074)	(38,655)
Net increase (decrease) in cash and cash equivalents	5,094	(493)
Cash and cash equivalents at beginning of period	10,769	11,993
Cash and cash equivalents at end of period	15,863	11,500
Changes in operating assets and liabilities, net:
Receivables, net	2,316	4,342
Merchandise inventories, net	(42,110)	(28,146)
Prepaid expenses and other current assets	(3,025)	22,641
Accounts payable, accrued liabilities and gift card liabilities	69,110	26,465
Changes in operating assets and liabilities, net	26,291	25,302
Interest	8,688	5,729
Income taxes (net of refunds)	187	(1,416)
Non-cash financing activity:
Accrued dividends for long-term incentive awards	$ 1,155	$ 938