CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in AOCI by component
Beginning balance, net of tax	$ (1,419)	$ (25,509)	$ (22,133)
Other comprehensive (loss) income before reclassifications	(37,098)	28,227	(1,760)
Less income reclassified from AOCI	1,239	2,522	2,112
Net other comprehensive (loss) income	(38,337)	25,705	(3,872)
Income taxes	955	(1,615)	496
Ending balance, net of tax	(38,801)	(1,419)	(25,509)
Foreign currency translation adjustments
Changes in AOCI by component
Beginning balance, net of tax	38,663	36,830	32,340
Other comprehensive (loss) income before reclassifications	(11,893)	1,939	3,805
Less income reclassified from AOCI	0	0	0
Net other comprehensive (loss) income	(11,893)	1,939	3,805
Income taxes	857	106	(685)
Ending balance, net of tax	25,913	38,663	36,830
Retirement plans related adjustments
Changes in AOCI by component
Beginning balance, net of tax	(40,213)	(62,375)	(53,969)
Other comprehensive (loss) income before reclassifications	(24,775)	26,217	(6,594)
Less income reclassified from AOCI	1,388	2,528	1,734
Net other comprehensive (loss) income	(26,163)	23,689	(8,328)
Income taxes	(1,806)	1,527	78
Ending balance, net of tax	(64,570)	(40,213)	(62,375)
Unrealized gain (loss) on cash flow hedges
Changes in AOCI by component
Beginning balance, net of tax	131	36	(504)
Other comprehensive (loss) income before reclassifications	(430)	71	1,029
Less income reclassified from AOCI	(149)	(6)	378
Net other comprehensive (loss) income	(281)	77	651
Income taxes	(6)	(18)	111
Ending balance, net of tax	$ (144)	$ 131	$ 36

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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