Note 9. Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Accumulated Other Comprehensive Income (Loss) [Line Items]

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

		Foreign Currency Translation Adjustment			Employee Benefit Plans			Total
Balances at December 31, 2013		$	(424	)	$	(269,107	)	$	(269,531	)
	Other comprehensive income before reclassifications	122			—			122
	Amounts reclassified from accumulated other comprehensive loss	—			1,054			1,054
Balances at March 31, 2014		$	(302	)	$	(268,053	)	$	(268,355	)
		Foreign Currency Translation Adjustment			Employee Benefit Plans			Total
Balances at December 31, 2012		$	(1,295	)	$	(455,166	)	$	(456,461	)
	Other comprehensive income before reclassifications	440			—			440
	Amounts reclassified from accumulated other comprehensive loss	—			3,102			3,102
Balances at March 31, 2013		$	(855	)	$	(452,064	)	$	(452,919	)