XML 74 R51.htm IDEA: XBRL DOCUMENT v3.3.1.900
Schedule of Stock-Based Compensation Expense Included in Statements of Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs      
Stock-based compensation expense, before tax $ 21,336 $ 22,021 $ 22,036
Income tax benefit (8,221) (8,478) (8,594)
Total stock-based compensation expense, net of tax 13,115 13,543 13,442
Cost of goods sold      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs      
Stock-based compensation expense, before tax 358 410 392
Facility and warehouse expenses      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs      
Stock-based compensation expense, before tax 2,271 2,195 2,745
Selling, general and administrative expenses      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs      
Stock-based compensation expense, before tax $ 18,707 $ 19,416 $ 18,899