BENEFIT PLANS Reconciliation for the Plans Assets Categorized as Level 3 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Change in Plan Assets. Level 3 [Roll Forward]
Ending balance	$ 124,884	$ 108,708
Fair Value, Inputs, Level 3 [Member]
Change in Plan Assets. Level 3 [Roll Forward]
Beginning balance	9,151	5,584
Relating to assets still held at the reporting date	2,036	(1,430)
Relating to assets sold during the period	14	5
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation		6,738
Purchases, sales and settlements, net	1,197	(1,521)
Effects of exchange rate changes	322	(225)
Ending balance	12,720	9,151
Common Collective Trusts Member | Fair Value, Inputs, Level 3 [Member]
Change in Plan Assets. Level 3 [Roll Forward]
Beginning balance	2,083	2,066
Relating to assets still held at the reporting date	284	5
Relating to assets sold during the period	8	5
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation		0
Purchases, sales and settlements, net	333	7
Effects of exchange rate changes	0	0
Ending balance	2,708	2,083
Insurance Contracts Member | Fair Value, Inputs, Level 3 [Member]
Change in Plan Assets. Level 3 [Roll Forward]
Beginning balance	5,820	1,824
Relating to assets still held at the reporting date	1,700	(1,355)
Relating to assets sold during the period	0	0
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation		6,738
Purchases, sales and settlements, net	533	(1,144)
Effects of exchange rate changes	281	(243)
Ending balance	8,334	5,820
Hedge Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Change in Plan Assets. Level 3 [Roll Forward]
Beginning balance	890	1,334
Relating to assets still held at the reporting date	52	(80)
Relating to assets sold during the period	6	0
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation		0
Purchases, sales and settlements, net	331	(384)
Effects of exchange rate changes	32	20
Ending balance	1,311	890
Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]
Change in Plan Assets. Level 3 [Roll Forward]
Beginning balance	358	360
Relating to assets still held at the reporting date	0	0
Relating to assets sold during the period	0	0
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation		0
Purchases, sales and settlements, net	0	0
Effects of exchange rate changes	9	(2)
Ending balance	$ 367	$ 358