Shares Held for Deferred Compensation Plans (Detail) - USD ($) $ in Thousands  | 
Jul. 02, 2016  | 
Jan. 02, 2016  | 
Jul. 04, 2015  | 
|---|---|---|---|
| Schedule of Deferred Compensation Plans [Line Items] | |||
| Shares held for deferred compensation plans | 477,867 | 562,649 | 565,549 | 
| Cost of shares held for deferred compensation plans | $ 5,754 | $ 6,823 | $ 6,667 | 
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- Definition Value of common stock issued to a trust (for example, but not limited to, rabbi trust) set up specifically to accumulate stock for the sole purpose of distribution to participating employees. No definition available. 
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- Definition Number of common stock held in a trust that has been set up specifically to accumulate stock for the sole purpose of distribution to participating employees but not yet earned. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Schedule of Deferred Compensation Plans [Line Items] No definition available. 
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