Business Acquisitions Business Acquisitions (Details 5) (USD $)				6 Months Ended				6 Months Ended		6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Jun. 30, 2013 Mt Pulaski		Oct. 30, 2012 Mt Pulaski	Oct. 30, 2012 Trademarks Mt Pulaski	Jun. 30, 2013 Customer list Mt Pulaski	Oct. 30, 2012 Customer list Mt Pulaski	Jun. 30, 2013 Noncompete agreement	Jun. 30, 2013 Noncompete agreement Mt Pulaski	Oct. 30, 2012 Noncompete agreement Mt Pulaski
Business Acquisition [Line Items]
Inventory						$ 3,757,000
Intangible assets						1,000,000
Goodwill	54,387,000	51,418,000	19,226,000			1,985,000
Property, plant and equipment						3,941,000
Intangible assets acquired						1,000,000			600,000			100,000
Indefinite-lived intangible assets acquired							300,000
Useful Life								10 years		2 years	7 years
Weighted average useful life				10 years	[1]
Total Purchase Price						$ 10,700,000

[1] weighted average number of years