Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Allowance for doubtful accounts

Changes in the Company's allowance for doubtful accounts are as follows:

	Balance at beginning of year		Provision and reserve adjustments			Write-offs less recoveries			Balance at end of year
	(In thousands)
2015	$	811	$	(152	)	$	(182	)	$	477
2014	$	531	$	305		$	(25	)	$	811
2013	$	488	$	78		$	(35	)	$	531

Obsolete inventories reserve

Changes to the Company's obsolete inventories reserve are as follows:

	Balance at beginning of year		Net additions charged to earnings		Disposals			Balance at end of year
	(In thousands)
2015	$	3,314	$	2,530	$	(2,008	)	$	3,836
2014	$	4,236	$	974	$	(1,896	)	$	3,314
2013	$	2,880	$	2,322	$	(966	)	$	4,236

Intangible Assets

The carrying value and accumulated amortization by major class of intangible assets are as follows:

	December 31, 2015				December 31, 2014
	Gross carrying amount		Accumulated amortization		Gross carrying amount		Accumulated amortization
	(In thousands)
Technologies	$	47,157	$	16,104	$	47,157	$	13,244
Non-compete agreements	2,062		1,455		2,022		1,243
Licenses	650		441		650		424
Customer lists	4,923		1,327		3,423		1,053
Customer relationships	20,690		5,494		20,700		3,575
Trade names	9,475		2,788		9,325		2,066
Total intangibles	$	84,957	$	27,609	$	83,277	$	21,605

Warranty and after-sale costs reserve

Changes in the Company's warranty and after-sale costs reserve are as follows:

	Balance at beginning of year		Net additions charged to earnings		Costs incurred and adjustments			Balance at end of year
	(In thousands)
2015	$	1,739	$	2,837	$	(1,443	)	$	3,133
2014	$	882	$	2,512	$	(1,655	)	$	1,739
2013	$	881	$	1,069	$	(1,068	)	$	882

Accumulated other comprehensive income (loss)

Components of accumulated other comprehensive loss at December 31, 2015 are as follows:

	Pension and postretirement benefits			Foreign currency			Total
				(In thousands)
Balance at beginning of period	$	(11,891	)	$	35		$	(11,856	)
Other comprehensive income before reclassifications	(1,317		)	(847		)	(2,164		)
Amounts reclassified from accumulated other comprehensive loss, net of tax of $(0.7) million	1,240			—			1,240
Net current period other comprehensive loss, net	(77		)	(847		)	(924		)
Accumulated other comprehensive loss	$	(11,968	)	$	(812	)	$	(12,780	)

Details of reclassifications out of accumulated other comprehensive loss during 2015 are as follows:

	Amount reclassified from accumulated other comprehensive loss
	(In thousands)
Amortization of employee benefit plan items:
Prior service cost (1)	$	53
Settlement expense (1)	762
Amortization of actuarial loss (1)	1,153
Total before tax	1,968
Income tax benefit	(728		)
Amount reclassified out of accumulated other comprehensive loss	$	1,240

(1) These accumulated other comprehensive loss components are included in the computation of benefit plan costs in Note 7 “Employee Benefit Plans.”

Components of accumulated other comprehensive loss at December 31, 2014 are as follows:

	Pension and postretirement benefits			Foreign currency			Total
	(In thousands)
Balance at beginning of period	$	(9,280	)	$	1,756		$	(7,524	)
Other comprehensive income before reclassifications	(4,968		)	(1,721		)	(6,689		)
Amounts reclassified from accumulated other comprehensive loss, net of tax of $(1.2) million	2,357			—			2,357
Net current period other comprehensive loss, net	(2,611		)	(1,721		)	(4,332		)
Accumulated other comprehensive (loss) income	$	(11,891	)	$	35		$	(11,856	)

Details of reclassifications out of accumulated other comprehensive loss during 2014 are as follows:

	Amount reclassified from accumulated other comprehensive loss
	(In thousands)
Amortization of employee benefit plan items:
Prior service cost (1)	$	161
Settlement expense (1)	858
Amortization of actuarial loss (1)	2,547
Total before tax	3,566
Income tax benefit	(1,209		)
Amount reclassified out of accumulated other comprehensive loss	$	2,357

(1) These accumulated other comprehensive loss components are included in the computation of benefit plan costs in Note 7 “Employee Benefit Plans.”