Basis of Presentation (Details 4) (USD $)	9 Months Ended			1 Months Ended				1 Months Ended					1 Months Ended		1 Months Ended		1 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2012 Keymark Enterprises, LLC Software development item	Sep. 30, 2013 North America	Dec. 31, 2012 North America	Sep. 30, 2012 North America	Dec. 31, 2012 North America Keymark Enterprises, LLC Software development	Sep. 30, 2013 North America Keymark Enterprises, LLC Software development	Sep. 30, 2013 Europe	Dec. 31, 2012 Europe	Sep. 30, 2012 Europe	Feb. 28, 2013 ShearBrace	Feb. 28, 2013 ShearBrace North America	Jan. 31, 2012 S&P Clever	Jan. 31, 2012 S&P Clever Europe	Mar. 31, 2012 CarbonWrap Solutions, L.L.C	Mar. 31, 2012 CarbonWrap Solutions, L.L.C North America
Acquisitions
Purchase price															$ 58,100,000		$ 5,500,000
Cash paid for acquisition													5,300,000		57,500,000		5,300,000
Contingent consideration payable															600,000		200,000
Maximum period for payment of contingent consideration															3 years
Cash and cash equivalent															6,800,000
Other current assets															10,800,000
Non-current assets															53,400,000
Current liabilities															12,600,000
Non-current liabilities															200,000
Goodwill	130,270,000	121,981,000	128,812,000		87,104,000	78,739,000	77,630,000		5,900,000	41,388,000	41,263,000	49,238,000		2,600,000		19,300,000		3,500,000
Intangible assets									3,000,000				1,900,000		15,700,000		1,700,000
Long-lived intangibles related to in-progress product development															4,800,000
Weighted-average amortization period															9 years 9 months 18 days		15 years 7 months 6 days
Amount paid				9,100,000
Number of employees hired to perform development work				39
Provisional measurement, assets acquired	$ 1,869,000							$ 8,900,000
Maximum period for payment for adjustments to provisional fair value measurements	1 year