Acquisitions (Details) (USD $)	9 Months Ended
	Sep. 28, 2012
Business Acquisition [Line Items]
Cash Paid	$ 75,100,000
Total Consideration	76,839,000
Cash	(4,000)
Accounts receivable	13,156,000
Inventories	7,384,000
Property, Plant and Equipment	3,370,000
Other tangible assets	738,000
Goodwill	38,619,000
Other intangible assets	24,117,000
Liabilities	(10,545,000)
Total of net assets acquired	76,843,000
Revenue of Acquiree since Acquisition Date, Actual	11,100,000
Trade Names [Member]
Business Acquisition [Line Items]
Other intangible assets	800,000
Noncompete Agreements [Member]
Business Acquisition [Line Items]
Other intangible assets	1,200,000
Customer Lists and Relationships [Member]
Business Acquisition [Line Items]
Other intangible assets	$ 22,100,000
Minimum [Member] | Noncompete Agreements [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Minimum [Member] | Customer Lists and Relationships [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	6 years
Maximum [Member] | Noncompete Agreements [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years
Maximum [Member] | Customer Lists and Relationships [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	21 years
Intangible Assets, Amortization Period [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Intangible Assets, Amortization Period [Member] | Minimum [Member] | Noncompete Agreements [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	4 years
Intangible Assets, Amortization Period [Member] | Minimum [Member] | Customer Lists and Relationships [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	6 years
Intangible Assets, Amortization Period [Member] | Maximum [Member] | Noncompete Agreements [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Intangible Assets, Amortization Period [Member] | Maximum [Member] | Customer Lists and Relationships [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	12 years