Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount expected to be recognized in earnings for the specified restructuring cost.

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Restructuring - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Feb. 01, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring liability, current	$ 837	$ 837	$ 1,044
Restructuring liability, long-term	200	200
Inventory adjustment	11,500	3,257	$ 1,043	$ 3,382
2013 Initiatives
Restructuring Cost and Reserve [Line Items]
Expected costs	6,600	6,600
2015 Initiatives
Restructuring Cost and Reserve [Line Items]
Expected costs	5,000	5,000
2016 Initiatives
Restructuring Cost and Reserve [Line Items]
Expected costs	$ 1,000	$ 1,000
Subsequent Event \| 2017 Initiatives
Restructuring Cost and Reserve [Line Items]
Expected costs					$ 900