Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Jan. 31, 2015	Jan. 25, 2014	Jan. 31, 2015	Jan. 25, 2014
Sales	$ 1,961,151us-gaap_SalesRevenueNet	$ 1,995,790us-gaap_SalesRevenueNet	$ 4,885,418us-gaap_SalesRevenueNet	$ 5,059,451us-gaap_SalesRevenueNet
Cost of sales and occupancy	1,333,114	1,392,349	3,414,801	3,625,867
Gross profit	628,037us-gaap_GrossProfit	603,441us-gaap_GrossProfit	1,470,617us-gaap_GrossProfit	1,433,584us-gaap_GrossProfit
Selling and administrative expenses	430,663	430,369	1,175,869	1,193,788
Depreciation and amortization	47,853us-gaap_DepreciationAndAmortization	54,356us-gaap_DepreciationAndAmortization	147,585us-gaap_DepreciationAndAmortization	163,039us-gaap_DepreciationAndAmortization
Operating profit	149,521us-gaap_OperatingIncomeLoss	118,716us-gaap_OperatingIncomeLoss	147,163us-gaap_OperatingIncomeLoss	76,757us-gaap_OperatingIncomeLoss
Interest expense, net and amortization of deferred financing fees	3,552	7,761	14,774	22,868
Income before taxes	145,969	110,955	132,389	53,889
Income taxes	73,801us-gaap_IncomeTaxExpenseBenefit	47,725us-gaap_IncomeTaxExpenseBenefit	76,372us-gaap_IncomeTaxExpenseBenefit	64,453us-gaap_IncomeTaxExpenseBenefit
Net income (loss)	$ 72,168us-gaap_NetIncomeLoss	$ 63,230us-gaap_NetIncomeLoss	$ 56,017us-gaap_NetIncomeLoss	$ (10,564)us-gaap_NetIncomeLoss
Income (loss) per common share
Basic	$ 0.96us-gaap_EarningsPerShareBasic	$ 0.95us-gaap_EarningsPerShareBasic	$ 0.58us-gaap_EarningsPerShareBasic	$ (0.40)us-gaap_EarningsPerShareBasic
Diluted	$ 0.93us-gaap_EarningsPerShareDiluted	$ 0.86us-gaap_EarningsPerShareDiluted	$ 0.58us-gaap_EarningsPerShareDiluted	$ (0.40)us-gaap_EarningsPerShareDiluted
Weighted average common shares outstanding
Basic	61,589	59,033	60,056	58,919
Diluted	73,711	71,033	60,128	58,919

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