Facility Closing and Reorganization Costs - Facility Closing and Reorganization Costs (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
Restructuring Reserve [Roll Forward]
Charges and Adjustments	$ 728	$ 4,939	$ 1,705	$ 10,549
Restructuring Charges, Cash
Restructuring Reserve [Roll Forward]
Accrued Charges at December 31, 2013			17,389
Charges and Adjustments			1,764
Payments			(4,323)
Accrued Charges at June 30, 2014	14,830		14,830
Restructuring Charges, Cash | Workforce Reduction Costs
Restructuring Reserve [Roll Forward]
Accrued Charges at December 31, 2013			9,028
Charges and Adjustments			(44)
Payments			(1,729)
Accrued Charges at June 30, 2014	7,255		7,255
Restructuring Charges, Cash | Shutdown Costs
Restructuring Reserve [Roll Forward]
Accrued Charges at December 31, 2013			0
Charges and Adjustments			1,355
Payments			(1,355)
Accrued Charges at June 30, 2014	0		0
Restructuring Charges, Cash | Lease Obligations After Shutdown
Restructuring Reserve [Roll Forward]
Accrued Charges at December 31, 2013			8,361
Charges and Adjustments			246
Payments			(1,032)
Accrued Charges at June 30, 2014	7,575		7,575
Restructuring Charges, Cash | Restructuring Charges, Other
Restructuring Reserve [Roll Forward]
Accrued Charges at December 31, 2013			0
Charges and Adjustments			207
Payments			(207)
Accrued Charges at June 30, 2014	0		0
Restructuring Charges, Noncash Charges | Restructuring Charges, Other
Restructuring Reserve [Roll Forward]
Charges and Adjustments			$ (59)