Reclassifications Out of Accumulated Other Comprehensive Loss (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax effect	$ (271)	$ (201)	$ (89)	$ 1,039
Loss from Continuing Operations	59,680	41,462	36,542	12,421
Additional interest expense	(12,947)	(13,619)	(25,149)	(27,115)
Tax effect	116	108	230	215
Reclassification out of Accumulated Other Comprehensive Income | Pension and Postretirement Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Prior service credit	(791)	(695)	(1,404)	(1,403)
Actuarial loss	804	3,955	1,889	7,852
Loss from Continuing Operations	8	1,971	294	3,898
Reclassification out of Accumulated Other Comprehensive Income | Pension and Postretirement Benefit Plans | Deferred Income Taxes
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax effect	(5)	(1,289)	(191)	(2,551)
Reclassification out of Accumulated Other Comprehensive Income | Pension and Postretirement Benefit Plans | Cost of sale; Selling, General & Administrative Expenses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications out of accumulated other comprehensive loss before taxes	13	3,260	485	6,449
Reclassification out of Accumulated Other Comprehensive Income | Unamortized Value of Terminated Forward Starting Interest Rate Swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Loss from Continuing Operations	179	167	353	329
Additional interest expense	295	275	583	544
Reclassification out of Accumulated Other Comprehensive Income | Unamortized Value of Terminated Forward Starting Interest Rate Swap | Deferred Income Taxes
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax effect	$ (116)	$ (108)	$ (230)	$ (215)