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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Asset Impairment Charges and Facility Closing and Reorganization Costs - Facility Closing and Reorganization Costs (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Restructuring Reserve [Roll Forward]
Charges and Adjustments	$ 2,709	$ 2,805	$ 9,362	$ 4,510
Restructuring Charges, Cash
Restructuring Reserve [Roll Forward]
Accrued Charges at Beginning Balance			8,138
Charges and Adjustments			6,186
Payments			(5,844)
Accrued Charges at Ending Balance	8,480		8,480
Restructuring Charges, Cash \| Workforce Reduction Costs
Restructuring Reserve [Roll Forward]
Accrued Charges at Beginning Balance			1,283
Charges and Adjustments			3,485
Payments			(2,189)
Accrued Charges at Ending Balance	2,579		2,579
Restructuring Charges, Cash \| Shutdown Costs
Restructuring Reserve [Roll Forward]
Accrued Charges at Beginning Balance			0
Charges and Adjustments			1,952
Payments			(1,952)
Accrued Charges at Ending Balance	0		0
Restructuring Charges, Cash \| Lease Obligations After Shutdown
Restructuring Reserve [Roll Forward]
Accrued Charges at Beginning Balance			6,855
Charges and Adjustments			384
Payments			(1,338)
Accrued Charges at Ending Balance	5,901		5,901
Restructuring Charges, Cash \| Other
Restructuring Reserve [Roll Forward]
Accrued Charges at Beginning Balance			0
Charges and Adjustments			365
Payments			(365)
Accrued Charges at Ending Balance	$ 0		0
Restructuring Charges, Noncash Charges \| Write-down of Assets
Restructuring Reserve [Roll Forward]
Charges and Adjustments			2,758
Restructuring Charges, Noncash Charges \| Gain on sale of related assets
Restructuring Reserve [Roll Forward]
Charges and Adjustments			235
Restructuring Charges, Noncash Charges \| Other
Restructuring Reserve [Roll Forward]
Charges and Adjustments			$ 183