Schedule II - Valuation and Qualifying Accounts and Reserve (Details) - USD ($)		12 Months Ended
		Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Allowance for Doubtful Accounts [Member]
Balance at Beginning of Year		$ 278	$ 790	$ 705
Charged to Costs and Expenses	[1]	164	130	2,289
Deductions	[2]	150	656	2,316
Charge to other accounts	[3]	27	14	112
Balance at End of Year		319	278	790
Reserve for Cash Discount [Member]
Balance at Beginning of Year		19,140	16,117	12,803
Charged to Costs and Expenses	[1]	81,335	85,825	77,659
Deductions	[2]	82,997	82,568	74,432
Charge to other accounts	[3]	(310)	(234)	87
Balance at End of Year		17,168	19,140	16,117
Valuation Allowance of Deferred Tax Assets [Member]
Balance at Beginning of Year		$ 4,557	$ 6,250	784
Charged to Costs and Expenses	[1]			6,085
Deductions	[2]		$ 1,693	$ 619
Charge to other accounts	[3]
Balance at End of Year		$ 4,557	$ 4,557	$ 6,250

[1] Includes provision for doubtful accounts, sales returns and sales discounts granted to customers.

[2] Represents uncollectible accounts written off, net of recoveries and credits issued to customers and the write-off of certain deferred tax assets that previously had full valuation allowances.

[3] Represents business acquisitions and foreign currency translation adjustments.