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Schedule of Stock-Based Compensation Expense Included in Statements of Income (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs | ||
| Stock-based compensation expense, before tax | $ 6,246 | $ 4,949 |
| Income tax benefit | (2,405) | (1,930) |
| Total stock-based compensation expense, net of tax | 3,841 | 3,019 |
|
Cost of goods sold
|
||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs | ||
| Stock-based compensation expense, before tax | 103 | 98 |
|
Facility and warehouse expenses
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||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs | ||
| Stock-based compensation expense, before tax | 579 | 684 |
|
Selling, general and administrative expenses
|
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs | ||
| Stock-based compensation expense, before tax | $ 5,564 | $ 4,167 |