Equity and Noncontrolling Interest (Tables)

3 Months Ended

Mar. 31, 2016

Stockholders Equity [Abstract]

Schedule of Stockholders Equity [Table Text Block]

									Accumulated
					Capital in				Other
			Common		Excess of		Retained		Comprehensive		Noncontrolling
			Stock		Par Value		Earnings		Loss		Interest		Total
Balance at December 31, 2015			$	13,288	$	106,333	$	326,740	$	(73,316)	$	8,198	$	381,243
	Net income			—		—		12,946		—		398		13,344
	Amounts reported in other comprehensive
		income		—		—		—		5,314		62		5,376
	Repurchases of common stock			(84)		—		(5,775)		—		—		(5,859)
	Dividends ($0.32 per share)			—		—		(4,227)		—		—		(4,227)
	Share issuance and equity-based compensation
		plans		32		1,513		—		—		—		1,545
	Excess tax benefit from stock option exercises			—		104		—		—		—		104
Balance at March 31, 2016			$	13,236	$	107,950	$	329,684	$	(68,002)	$	8,658	$	391,526
Balance at December 31, 2014			$	13,301	$	99,056	$	299,524	$	(54,406)	$	7,660	$	365,135
	Net income			—		—		10,378		—		229		10,607
	Amounts reported in other comprehensive
		(loss) income		—		—		—		(8,565)		30		(8,535)
	Dividends ($0.30 per share)			—		—		(4,000)		—		—		(4,000)
	Share issuance and equity-based compensation
		plans		31		1,604		—		—		—		1,635
	Excess tax benefit from stock option exercises			—		287		—		—		—		287
Balance at March 31, 2015			$	13,332	$	100,947	$	305,902	$	(62,971)	$	7,919	$	365,129

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

							Unrealized
			Currency		Defined		Gain (Loss) in
			Translation		Benefit		Available-for-
			Adjustments		Pension Plans		Sale Securities		Total
Balance at December 31, 2015			$	(38,544)	$	(35,251)	$	479	$	(73,316)
	Other comprehensive income (loss) before
		reclassifications		4,671		(477)		192		4,386
	Amounts reclassified from AOCI			—		798		498		1,296
	Current period other comprehensive income			4,671		321		690		5,682
	Related tax amounts			—		(134)		(234)		(368)
	Net current period other comprehensive income			4,671		187		456		5,314
Balance at March 31, 2016			$	(33,873)	$	(35,064)	$	935	$	(68,002)
Balance at December 31, 2014			$	(14,312)	$	(41,551)	$	1,457	$	(54,406)
	Other comprehensive (loss) income before
		reclassifications		(11,113)		2,498		270		(8,345)
	Amounts reclassified from AOCI			—		881		(164)		717
	Current period other comprehensive (loss) income			(11,113)		3,379		106		(7,628)
	Related tax amounts			—		(901)		(36)		(937)
	Net current period other comprehensive (loss) income			(11,113)		2,478		70		(8,565)
Balance at March 31, 2015			$	(25,425)	$	(39,073)	$	1,527	$	(62,971)