CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Foreign Currency
Foreign currency translation, tax	$ 8,086	$ 1,210	$ (161)
Defined Benefit Pension and Other Postretirement Plans
Prior service cost recognized in net periodic cost, tax	(9)	(8)	(9)
Transition obligation recognized in net periodic cost, tax	2	35	42
Unamortized gain arising during the period, tax	14,638	2,399	28,779
Net loss recognized in net periodic cost, tax	2,446	2,537	1,399
Settlement, tax		40	(2)
Curtailment, tax		(44)
Divestiture of businesses, tax			4,865
Foreign currency translation, tax	66	(58)	(20)
Comprehensive Income Derivatives Qualifying As Hedges
Unrealized gain (loss) on derivatives arising during the period, tax	265	102	(830)
Reclassification adjustment on derivatives included in net income, tax	(46)	3,832	5,757
Discontinued operations, tax			$ (39)