Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 29, 2017
Apr. 30, 2016
Operating activities:    
Net income $ 51,512 $ 38,659
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization expense 26,030 26,791
Deferred income taxes 1,544 (7,982)
Loss (gain) on disposition of equipment 4 (44)
Non-cash share-based compensation expense 7,852 8,500
Excess Tax Benefit from Share-based Compensation, Operating Activities 0 (546)
Unrealized gain on fuel derivatives 221 (1,480)
Pension expense, net of contributions 0 1,393
Change in assets and liabilities, excluding effects of foreign currency adjustments:    
Inventories 22,569 42,924
Accounts payable (31,359) (18,805)
Current income taxes 24,848 5,471
Other current assets (4,816) (1,617)
Other current liabilities (16,093) (15,077)
Other assets (4,504) (5,160)
Other liabilities 7,646 5,584
Net cash provided by operating activities 85,454 78,611
Investing activities:    
Capital expenditures (22,125) (18,825)
Cash proceeds from sale of property and equipment 115 72
Other 0 1
Net cash used in investing activities (22,010) (18,752)
Financing activities:    
Net proceeds from borrowings under bank credit facility (9,300) (91,500)
Payment of capital lease obligations (857) (1,115)
Dividends paid (12,683) (10,597)
Proceeds from the exercise of stock options 3,872 2,732
Excess tax benefit from share-based awards, financing activities 0 546
Payment for treasury shares acquired (48,508) (132,895)
Other (1) 216
Net cash used in financing activities (48,877) (49,613)
Increase in cash and cash equivalents 14,567 10,246
Cash and cash equivalents:    
Beginning of period 51,164 54,144
End of period $ 65,731 $ 64,390