Annual report pursuant to Section 13 and 15(d)

Net Income Per Common Share - Net Income Per Basic and Diluted Share (Detail)

v2.4.1.9
Net Income Per Common Share - Net Income Per Basic and Diluted Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Jan. 31, 2015
Nov. 01, 2014
Aug. 02, 2014
May 03, 2014
Feb. 01, 2014
Nov. 02, 2013
Aug. 03, 2013
May 04, 2013
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Earnings Per Share [Abstract]                      
Numerator for diluted net income per share - net income $ 87,264us-gaap_NetIncomeLoss $ 59,124us-gaap_NetIncomeLoss $ 60,794us-gaap_NetIncomeLoss $ 49,953us-gaap_NetIncomeLoss $ 70,682us-gaap_NetIncomeLoss $ 45,430us-gaap_NetIncomeLoss $ 44,911us-gaap_NetIncomeLoss $ 41,826us-gaap_NetIncomeLoss $ 257,135us-gaap_NetIncomeLoss $ 202,849us-gaap_NetIncomeLoss $ 172,549us-gaap_NetIncomeLoss
Denominator for basic net income per share -weighted-average common shares                 64,335us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 63,992us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 63,250us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Dilutive effect of stock options and non-vested stock                 316us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements 469us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements 1,146us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Denominator for diluted net income per share                 64,651us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 64,461us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 64,396us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Net income per common share:                      
Basic $ 1.36us-gaap_EarningsPerShareBasic $ 0.92us-gaap_EarningsPerShareBasic $ 0.94us-gaap_EarningsPerShareBasic $ 0.78us-gaap_EarningsPerShareBasic $ 1.10us-gaap_EarningsPerShareBasic $ 0.71us-gaap_EarningsPerShareBasic $ 0.70us-gaap_EarningsPerShareBasic $ 0.66us-gaap_EarningsPerShareBasic $ 4.00us-gaap_EarningsPerShareBasic $ 3.17us-gaap_EarningsPerShareBasic $ 2.73us-gaap_EarningsPerShareBasic
Diluted $ 1.35us-gaap_EarningsPerShareDiluted $ 0.91us-gaap_EarningsPerShareDiluted $ 0.94us-gaap_EarningsPerShareDiluted $ 0.77us-gaap_EarningsPerShareDiluted $ 1.09us-gaap_EarningsPerShareDiluted $ 0.70us-gaap_EarningsPerShareDiluted $ 0.70us-gaap_EarningsPerShareDiluted $ 0.65us-gaap_EarningsPerShareDiluted $ 3.98us-gaap_EarningsPerShareDiluted $ 3.15us-gaap_EarningsPerShareDiluted $ 2.68us-gaap_EarningsPerShareDiluted