Accounts Receivable, Accounts Payable and Accrued Liabilities (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Jan. 02, 2011
Accounts Receivable Accounts Payable And Accrued Liabilities [Abstract]
Trade accounts receivable, less estimated returns, doubtful accounts and allowances	$ 379,355	$ 375,577
Other accounts receivable	19,849	17,148
Accounts receivable, net	399,204	392,725
Returns, doubtful accounts and allowances	35,462	50,225	70,181
Accounts payable and accrued liabilities	310,294	333,282
Accrued compensation and related benefits	176,102	161,759
Total accounts payable and accrued liabilities	486,396	495,041
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Begining of Period	50,225	70,181	106,781
Additions Charged to Costs and Expenses	70,693	73,195	150,104
Deductions	(85,456)	(93,151)	(186,704)
Balance at End of Period	35,462	50,225	70,181
Allowance for doubtful accounts and returns [Member]
Accounts Receivable Accounts Payable And Accrued Liabilities [Abstract]
Returns, doubtful accounts and allowances	33,612	48,199	67,007
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Begining of Period	48,199	67,007	98,286
Additions Charged to Costs and Expenses	55,605	61,327	137,888
Deductions	(70,192)	(80,135)	(169,167)
Balance at End of Period	33,612	48,199	67,007
Allowance for advertising rate adjustments and discounts [Member]
Accounts Receivable Accounts Payable And Accrued Liabilities [Abstract]
Returns, doubtful accounts and allowances	1,850	2,026	3,174
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Begining of Period	2,026	3,174	8,495
Additions Charged to Costs and Expenses	15,088	11,868	12,216
Deductions	(15,264)	(13,016)	(17,537)
Balance at End of Period	$ 1,850	$ 2,026	$ 3,174