Equity and Noncontrolling Interest (Tables)

3 Months Ended

Mar. 31, 2013

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, 2012		$	13,095	$	94,470	$	215,390	$	(41,855)	$	8,576	$	289,676
	Net income		0		0		13,619		0		572		14,191
	Amounts reported in other comprehensive loss		0		0		0		108		(133)		(25)
	Dividends ($0.245 per share)		0		0		(3,219)		0		0		(3,219)
	Share issuance and equity-based compensation plans		45		936		0		0		0		981
	Excess tax benefit from stock option exercises		0		369		0		0		0		369
Balance at March 31, 2013		$	13,140	$	95,775	$	225,790	$	(41,747)	$	9,015	$	301,973
Balance at December 31, 2011		$	12,912	$	89,725	$	180,710	$	(28,967)	$	6,977	$	261,357
	Net income		0		0		12,365		0		747		13,112
	Amounts reported in other comprehensive income		0		0		0		4,988		291		5,279
	Dividends ($0.24 per share)		0		0		(3,114)		0		0		(3,114)
	Share issuance and equity-based compensation plans		39		(141)		0		0		0		(102)
	Excess tax benefit from stock option exercises		0		1,252		0		0		0		1,252
Balance at March 31, 2012		$	12,951	$	90,836	$	189,961	$	(23,979)	$	8,015	$	277,784

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

							Unrealized
	Currency		Defined		Change in		gain (loss) in
	translation		benefit		fair value of		available-for-
	adjustments		pension plans		derivatives		sale securities		Total
Balance at December 31, 2012	$	3,336	$	(46,914)	$	0	$	1,723	$	(41,855)
Other comprehensive (loss) income before reclassifications		(1,630)		762		0		1,148		280
Amounts reclassified from accumulated other
comprehensive loss		0		1,056		0		(494)		562
Current period other comprehensive (loss) income		(1,630)		1,818		0		654		842
Related tax amounts		0		(512)		0		(222)		(734)
Net current period other comprehensive (loss) income		(1,630)		1,306		0		432		108
Balance at March 31, 2013	$	1,706	$	(45,608)	$	0	$	2,155	$	(41,747)
Balance at December 31, 2011	$	4,709	$	(34,260)	$	(272)	$	856	$	(28,967)
Other comprehensive income (loss) before reclassifications		3,757		(562)		(10)		1,837		5,022
Amounts reclassified from accumulated other
comprehensive loss		0		750		158		(203)		705
Current period other comprehensive income		3,757		188		148		1,634		5,727
Related tax amounts		0		(131)		(52)		(556)		(739)
Net current period other comprehensive income		3,757		57		96		1,078		4,988
Balance at March 31, 2012	$	8,466	$	(34,203)	$	(176)	$	1,934	$	(23,979)