Schedule II - Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Jan. 01, 2011		Jan. 02, 2010
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
BALANCE AT BEGINNING OF PERIOD	$ 5,479		$ 6,410		$ 8,788
CHARGED TO COSTS AND EXPENSES	1,889		2,355		2,511
CHARGED TO OTHER ACCOUNTS (DESCRIBE)	0		0		0
DEDUCTIONS (DESCRIBE)	2,530	[1]	3,286	[1]	4,889	[1]
BALANCE AT END OF PERIOD	4,838		5,479		6,410
Valuation Allowance of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
BALANCE AT BEGINNING OF PERIOD	1,149		0		3,073
CHARGED TO COSTS AND EXPENSES	2		1,149		(3,073)
CHARGED TO OTHER ACCOUNTS (DESCRIBE)			0		0
DEDUCTIONS (DESCRIBE)			0		0
BALANCE AT END OF PERIOD	$ 1,151		$ 1,149		$ 0

[1] Excess of accounts written off over recoveries.