CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income	$ 17,851	$ 9,040	$ 28,297	$ 6,763
Translation adjustment	3,712	(859)	(145)	(8,395)
Unrealized gain (loss) on defined benefit plan, net of tax	(1,816)	2,659	(550)	1,181
Comprehensive income (loss)	19,747	10,840	27,602	(451)
Less: Comprehensive income attributable to noncontrolling interest	(466)	(405)	(710)	(54)
Total comprehensive income (loss) attributable to common stockholders	$ 19,281	$ 10,435	$ 26,892	$ (505)