Consolidated Statements of Income (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Income Statement [Abstract]    
Revenue $ 670,247 $ 674,456
Cost of sales, including warehousing, distribution and occupancy 420,814 420,737
Gross profit 249,433 253,719
Selling, general and administrative 139,768 134,612
Other expense (income), net 60 (2,148)
Operating income 109,605 121,255
Interest expense, net 11,515 11,531
Income before income taxes 98,090 109,724
Income tax expense 34,820 39,821
Net income $ 63,270 $ 69,903
Earnings per share:    
Basic (in dollars per share) $ 0.72 $ 0.75
Diluted (in dollars per share) $ 0.72 $ 0.75
Weighted average common shares outstanding:    
Basic (in shares) 87,865 92,975
Diluted (in shares) 88,105 93,684
Dividends declared per share: (in dollars per share) $ 0.18 $ 0.16