CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net gain from curtailment, tax				$ 11,384
Net actuarial gain (loss), tax	(1,651)	1,503	(5,139)	8,121
Pension settlement expense, tax	313	713	2,102	713
Amortization of unrecognized net periodic benefit costs, tax	244	433	711	2,662
Change in foreign currency translation, tax	$ (126)	$ 66	$ (85)	$ (21)