Business Combinations (Tables)

9 Months Ended

Sep. 30, 2011

Business Combination

Purchase price allocation based on the estimated fair value of the assets and liabilities

Identifiable intangible asset	Method	Discount Rate		Royalty Rate
US tradenames	Relief from royalty	15.0	%	5.0	%
International tradenames	Relief from royalty	17.0	%	5.0	%
Customer relationships	Excess earnings	15.5	%
International distributor relationships	Lost profits	17.5	%
US non-compete agreements	Lost profits	15.5	%
International non-compete agreements	Lost profits	17.5	%
Patents	Relief from royalty	16.5	%	3.0	%
US backlog	Excess earnings	14.0	%
International backlog	Excess earnings	16.0	%

Schedule of estimates of fair value of intangible assets acquired and goodwill resulting from acquisition

				Estimated
	Estimated			Useful
	Fair Value			Life (Years)
Consideration
Cash paid	$	126,615
Estimated working capital adjustment	(4,091		)
Contingent consideration arrangement	84,300
Total consideration transferred	$	206,824
Recognized amounts of identifiable assets acquired and liabilities assumed:
Trade accounts receivable, net of allowances of $1,130	$	12,809
Inventories	7,545
Other current assets	367
Trade accounts payable	(5,590		)
Other liabilities	(507		)
Net tangible assets acquired	$	14,624
Identifiable intangible assets:
Tradenames	$	47,200		20
Customer relationships	21,300			10
International distributor relationships	800			2
Non-compete agreements	5,300			5
Patents	6,600			14
Backlog	1,830			1
Goodwill	109,170			Non-amortizable
Total purchase price	$	206,824

Schedule of pro forma information

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Revenue	$	414,358	$	288,644	$	815,706	$	609,005
Operating income	$	95,021	$	65,994	$	120,066	$	106,882