RECENTLY ADOPTED ACCOUNTING PRONOUNCEMENTS Changes in Other Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Change in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	$ (231,618)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	246
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	6,898
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	7,144
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(224,474)
Accumulated Translation Adjustment
Change in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(192)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	246
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	246
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	54
Accumulated Defined Benefit Plans Adjustment
Change in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(231,426)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	6,898
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	6,898
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	$ (224,528)