| Shareholders' Equity (Details) - USD ($) shares in Thousands | 6 Months Ended | |
|---|---|---|
| Feb. 24, 2016 | Jul. 02, 2016 | |
| Class of Stock [Line Items] | ||
| Authorized repurchase of common stock, amount | $ 50,000,000 | |
| Treasury Stock | ||
| Class of Stock [Line Items] | ||
| Number of shares repurchased (in shares) | 360 | 360 | 
| Repurchase of shares | $ 12,200,000 | $ 12,154,000 | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount of stock repurchase plan authorized. No definition available. 
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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