Schedule II - Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Jan. 01, 2011
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
BALANCE AT BEGINNING OF PERIOD	$ 4,838		$ 5,479		$ 6,410
CHARGED TO COSTS AND EXPENSES	870		1,889		2,355
CHARGED TO OTHER ACCOUNTS (DESCRIBE)	0		0		0
DEDUCTIONS (DESCRIBE)	557	[1]	2,530	[1]	3,286	[1]
BALANCE AT END OF PERIOD	5,151		4,838		5,479
Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
BALANCE AT BEGINNING OF PERIOD	1,616		1,630		0
CHARGED TO COSTS AND EXPENSES	0		2		1,630
CHARGED TO OTHER ACCOUNTS (DESCRIBE)	0		0		0
DEDUCTIONS (DESCRIBE)	36	[1]	16	[1]	0
BALANCE AT END OF PERIOD	$ 1,580		$ 1,616		$ 1,630

[1] Represents amounts written off, net of recoveries and other adjustments.