Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 02, 2014	Jul. 27, 2013
Cash flows from operating activities:
Net loss	$ (28,449)	$ (87,022)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation and amortization (including amortization of deferred financing fees)	51,638	56,675
Stock-based compensation expense	4,607	4,222
Deferred taxes		332
(Gain) loss on disposal of property and equipment	(767)	118
Decrease in other long-term liabilities	(25,173)	(3,424)
Changes in operating assets and liabilities, net	(140,888)	31,938
Net cash flows provided by (used in) operating activities	(139,032)	2,839
Cash flows from investing activities:
Purchases of property and equipment	(33,123)	(28,287)
Net (increase) decrease in other noncurrent assets	(4,497)	237
Net cash flows used in investing activities	(37,620)	(28,050)
Cash flows from financing activities:
Net proceeds from Microsoft Commercial Agreement financing arrangement	21,126	21,203
Proceeds from credit facility		217,800
Payments on credit facility		(287,300)
Proceeds from exercise of common stock options	404
Purchase of treasury stock	(680)	(3,077)
Cash dividends paid to shareholders	(4,202)	(3,942)
Excess tax benefit from stock-based compensation	76	106
Net cash flows provided by (used in) financing activities	16,724	(55,210)
Net decrease in cash and cash equivalents	(159,928)	(80,421)
Cash and cash equivalents at beginning of period	340,171	160,470
Cash and cash equivalents at end of period	180,243	80,049
Changes in operating assets and liabilities, net:
Receivables, net	23,668	(1,429)
Merchandise inventories	(448,933)	(336,960)
Prepaid expenses and other current assets	37,765	34,547
Accounts payable and accrued liabilities	246,612	335,780
Changes in operating assets and liabilities, net	(140,888)	31,938
Supplemental cash flow information:
Interest	7,891	8,185
Income taxes (net of refunds)	17,325	2,690
Non-cash financing activity:
Accrued dividend on redeemable preferred stock	$ 3,942	$ 3,942