Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Currently payable [Abstract]
Federal	$ 12,145	$ 20,794	$ 18,642
State	2,631	2,936	2,264
Foreign	19,168	23,873	25,435
Current income tax (expense), total	33,944	47,603	46,341
Deferred (benefit) expense [Abstract]
Federal	7,630	5,779	1,532
State	1,656	(772)	(935)
Foreign	1,142	(10,461)	(14,111)
Deferred income tax (expense), total	10,428	(5,454)	(13,514)
Income taxes	44,372	42,149	$ 32,827
Deferred tax assets [Abstract]
Benefit plans	11,040	12,901
Liabilities and reserves	15,733	18,986
Operating loss and credit carryovers	49,778	59,013
Other	3,181	3,226
Gross deferred tax assets	79,732	94,126
Valuation allowance	(35,426)	(36,008)
Deferred tax assets	44,306	58,118
Deferred tax liabilities [Abstract]
Property, plant and equipment	(1,186)	(1,850)
Other assets	(353)	(907)
Goodwill	(27,863)	(27,824)
Other	(12,434)	(8,000)
Deferred tax liabilities	(41,836)	(38,581)
Net deferred tax assets	$ 2,470	$ 19,537
Effective tax rate reconciliation [Abstract]
Taxes at statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	1.40%	1.70%	1.90%
Tax credits	(1.80%)	(0.70%)	(0.40%)
Taxes on foreign earnings	(4.40%)	(0.80%)	(4.70%)
Resolution of prior years' tax matters	0.00%	(0.30%)	(0.60%)
U.S. manufacturing deduction	(2.00%)	(1.90%)	(2.00%)
Valuation allowance adjustments	(0.30%)	(5.00%)	0.20%
Other, net	(1.40%)	0.20%	(0.80%)
Effective tax rate	26.50%	28.20%	28.60%
Earnings from continuing operations before income taxes [Abstract]
United States	$ 96,963	$ 87,749	$ 56,211
Foreign	70,322	61,647	58,387
Total	167,285	149,396	114,598
Unremitted earnings of foreign subsidiaries	379,100
Reconciliation of change in liability for unrecognized tax benefits [Roll Forward]
Balance at beginning of year	4,963	13,940
Increases for tax positions taken in the current year	570	1,322
Increases for tax positions taken in prior years	1,204	1,061
Decreases related to settlements with tax authorities	(1,172)	(10,610)
Decreases as a result of lapse of the applicable statutes of limitations	(426)	(278)
Foreign currency exchange rate changes	(192)	(472)
Balance at the end of year	4,947	4,963	$ 13,940
Unrecognized tax benefits that would impact the effective tax rate, if recognized	3,300
Income tax interest and penalties accrued	400	$ 500
Expected decrease in liability for unrecognized tax benefits in the next fiscal year	400
Unrecognized tax benefits that would impact the effective tax rate in the next fiscal year	400
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryovers	123,000
Operating loss carryovers, subject to expiration	17,200
Operating loss carryovers, not subject to expiration	105,800
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryovers	$ 141,700