Quarterly report pursuant to Section 13 or 15(d)

Shares Held for Deferred Compensation Plans (Detail)

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Shares Held for Deferred Compensation Plans (Detail) - USD ($)
$ in Millions
Jul. 04, 2015
Jan. 03, 2015
Jun. 28, 2014
Schedule of Deferred Compensation Plans [Line Items]      
Shares held for deferred compensation plans 565,549 637,504 695,204
Cost of shares held for deferred compensation plans $ 6.7 $ 7.7 $ 8.2