Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Accounting Policies [Abstract]

Components of inventories

	June 30, 2012		December 31, 2011
Raw materials and parts	$	97,738	$	101,716
Work-in-progress	36,736		40,822
Finished goods	82,757		98,883
	$	217,231	$	241,421

Components of other intangible assets

	June 30, 2012					December 31, 2011
	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Customer relationships	$	96,238	$	(20,307	)	$	95,203	$	(18,735	)
Proven technology and patents	40,789		(26,433		)	41,643		(25,174		)
Tradename (finite life)	3,975		(1,224		)	3,995		(1,072		)
Tradename (indefinite life)	24,982		—			25,033		—
Other	735		(316		)	743		(226		)
	$	166,719	$	(48,280	)	$	166,617	$	(45,207	)

Changes to the Company's accrual for product warranties

	June 30, 2012			June 30, 2011
Balance at beginning of period	$	16,748		$	15,680
Accruals for warranties	8,094			7,451
Foreign currency translation	(305		)	722
Payments / utilizations	(8,444		)	(7,073		)
Balance at end of period	$	16,093		$	16,780

Schedule of Comprehensive Income (Loss)

	June 30, 2012			June 30, 2011
Currency translation adjustment, net of tax	$	(8,129	)	$	54,605
Net unrealized gain (loss) on cash flow hedging arrangements, net of tax	(60		)	(599		)
Pension and post-retirement benefit related items, net of tax	4,245			2,048
Other comprehensive income (loss), net of tax	(3,944		)	56,054
Net earnings	114,031			107,015
Comprehensive income (loss), net of tax	$	110,087		$	163,069