Commitments And Contingencies (Summary Of Expected Earn-Outs) (Details) (USD $)	9 Months Ended
	Sep. 30, 2012		Dec. 31, 2011
Business Acquisition, Contingent Consideration [Line Items]
Estimated Remaining Payments	$ 15,557,000
Fair Value of Estimated Remaining Payments	12,636,000		14,561,000
Schwintek Products [Member]
Business Acquisition, Contingent Consideration [Line Items]
Estimated Remaining Payments	11,616,000	[1]
Fair Value of Estimated Remaining Payments	9,605,000
Contingent consideration period after product first sold to customers	5 years
Level-UpTM Six-Point Leveling System [Member]
Business Acquisition, Contingent Consideration [Line Items]
Estimated Remaining Payments	3,135,000	[2]
Fair Value of Estimated Remaining Payments	2,359,000
Other Acquired Products [Member]
Business Acquisition, Contingent Consideration [Line Items]
Estimated Remaining Payments	806,000	[3]
Fair Value of Estimated Remaining Payments	672,000
Remaining maximum earn-out payments	3,400,000
Two Of Four Products [Member] | Schwintek Products [Member]
Business Acquisition, Contingent Consideration [Line Items]
Estimated Remaining Payments	8,500,000
Remaining maximum earn-out payments	$ 9,700,000

[1] Contingent consideration for three of the four products expires in March 2014. Contingent consideration for the remaining product will cease five years after the product is first sold to customers. Two of the four products acquired have a combined remaining maximum contingent consideration of $9.7 million, of which the Company estimates $8.5 million will be paid. Other than expiration of the contingent consideration period, the remaining products have no maximum contingent consideration.

[2] Other than expiration of the contingent consideration period in February 2016, these products have no maximum contingent consideration.

[3] Contingent consideration expires at various dates through October 2025. Certain of these products have a combined remaining maximum of $3.4 million, while the remaining products have no maximum contingent consideration.