Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2014

Accounting Policies [Abstract]

Components of inventories

Inventories consisted of the following:

	March 31, 2014		December 31, 2013
Raw materials and parts	$	102,512	$	98,244
Work-in-progress	42,036		38,061
Finished goods	79,872		74,109
	$	224,420	$	210,414

Components of other intangible assets

Other intangible assets consisted of the following:

	March 31, 2014							December 31, 2013
	Gross Amount		Accumulated Amortization			Intangibles, Net		Gross Amount		Accumulated Amortization			Intangibles, Net
Customer relationships	$	98,329	$	(26,141	)	$	72,188	$	98,374	$	(25,313	)	$	73,061
Proven technology and patents	43,191		(30,232		)	12,959		43,233		(29,763		)	13,470
Tradename (finite life)	4,332		(1,732		)	2,600		4,300		(1,619		)	2,681
Tradename (indefinite life)	25,121		—			25,121		25,108		—			25,108
Other	758		(707		)	51		757		(659		)	98
	$	171,731	$	(58,812	)	$	112,919	$	171,772	$	(57,354	)	$	114,418

Changes to the Company's accrual for product warranties

Changes to the Company’s accrual for product warranties for the three months ended March 31 are as follows:

	March 31, 2014			March 31, 2013
Balance at beginning of period	$	16,991		$	16,295
Accruals for warranties	4,685			4,515
Foreign currency translation	28			(258		)
Payments / utilizations	(4,897		)	(5,002		)
Balance at end of period	$	16,807		$	15,550