Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Currently payable [Abstract]
Federal	$ 20,794	$ 18,642	$ 21,252
State	2,936	2,264	3,065
Foreign	23,873	25,435	25,175
Current income tax (expense), total	47,603	46,341	49,492
Deferred (benefit) expense [Abstract]
Federal	5,779	1,532	(5,125)
State	(772)	(935)	502
Foreign	(10,461)	(14,111)	(1,534)
Deferred income tax (expense), total	(5,454)	(13,514)	(6,157)
Income taxes	42,149	32,827	$ 43,335
Deferred tax assets [Abstract]
Benefit plans	12,901	15,507
Liabilities and reserves	18,986	19,384
Operating loss and credit carryovers	59,013	57,128
Other	3,226	6,872
Gross deferred tax assets	94,126	98,891
Valuation allowance	(36,008)	(43,055)
Deferred tax assets	58,118	55,836
Deferred tax liabilities [Abstract]
Property, plant and equipment	(1,850)	(1,619)
Other assets	(907)	(1,462)
Goodwill	(27,824)	(28,583)
Other	(8,000)	(1,426)
Deferred tax liabilities	(38,581)	(33,090)
Net deferred tax assets, noncurrent	8,100
Net deferred tax assets	$ 19,537	$ 22,746
Effective tax rate reconciliation [Abstract]
Taxes at statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	1.70%	1.90%	1.10%
Tax credits	(0.70%)	(0.40%)	(0.30%)
Taxes on foreign earnings	(0.80%)	(4.70%)	(5.30%)
Resolution of prior years' tax matters	(0.30%)	(0.60%)	(0.70%)
U.S. manufacturing deduction	(1.90%)	(2.00%)	(1.60%)
Valuation allowance adjustments	(5.00%)	0.20%	(0.80%)
Other, net	0.20%	(0.80%)	0.10%
Effective tax rate	28.20%	28.60%	27.50%
Earnings from continuing operations before income taxes [Abstract]
United States	$ 87,749	$ 56,211	$ 55,461
Foreign	61,647	58,387	102,172
Total	149,396	114,598	157,633
Unremitted earnings of foreign subsidiaries	430,200
Reconciliation of change in liability for unrecognized tax benefits [Roll Forward]
Balance at beginning of year	13,940	5,295
Increases for tax positions taken in the current year	1,322	718
Increases for tax positions taken in prior years	1,061	10,238
Decreases related to settlements with tax authorities	(10,610)	(1,044)
Decreases as a result of lapse of the applicable statutes of limitations	(278)	(751)
Foreign currency exchange rate changes	(472)	(516)
Balance at the end of year	4,963	13,940	$ 5,295
Unrecognized tax benefits that would impact the effective tax rate, if recognized	4,300
Income tax interest and penalties accrued	500	$ 500
Expected decrease in liability for unrecognized tax benefits in the next fiscal year	500
Unrecognized tax benefits that would impact the effective tax rate in the next fiscal year	500
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryovers	117,300
Operating loss carryovers, subject to expiration	14,800
Operating loss carryovers, not subject to expiration	102,500
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryovers	$ 145,200