Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) (USD $)	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets, Net [Abstract]
Net intangible assets	$ 94,635,000	$ 86,874,000	$ 64,027,000
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2014	9,600,000
2015	11,200,000
2016	10,500,000
2017	9,900,000
2018	9,800,000
Patents [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, gross	18,905,000	18,905,000	18,905,000
Less: accumulated amortization	18,685,000	18,609,000	18,526,000
Net intangible assets	220,000	296,000	379,000
Software [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, gross	52,778,000	36,126,000	15,525,000
Less: accumulated amortization	14,380,000	13,839,000	12,014,000
Net intangible assets	38,398,000	22,287,000	3,511,000
Customer Lists and Other [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, gross	110,609,000	113,811,000	102,825,000
Less: accumulated amortization	54,592,000	49,520,000	42,688,000
Net intangible assets	$ 56,017,000	$ 64,291,000	$ 60,137,000