Restructuring and Asset Impairment - Restructuring Accrual Activity for Given Years (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
2014 Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	$ 0
Restructuring-related charges	15,279
Cash receipts/(payments)	(10,167)
Asset write downs/disposals	(3,736)
Foreign currency translation	(54)
Liability, Ending Balance	1,322
2013 Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	3,258	0
Restructuring-related charges	4,187	18,821
Adjustments	(1,538)
Cash receipts/(payments)	(4,550)	(1,774)
Asset write downs/disposals	(443)	(13,886)
Foreign currency translation	(74)	97
Liability, Ending Balance	840	3,258
2012 and Earlier Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	4,547	11,622
Restructuring-related charges	2,476	9,357
Adjustments	(2,316)	(3,140)
Cash receipts/(payments)	(2,342)	(12,294)
Asset write downs/disposals	(1,188)	(1,011)
Foreign currency translation	(27)	13
Liability, Ending Balance	1,150	4,547
Severance and Termination Benefits [Member] \| 2014 Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	0
Restructuring-related charges	5,482
Cash receipts/(payments)	(4,574)
Asset write downs/disposals	0
Foreign currency translation	(49)
Liability, Ending Balance	859
Severance and Termination Benefits [Member] \| 2013 Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	3,258	0
Restructuring-related charges	2,106	9,877
Adjustments	(735)
Cash receipts/(payments)	(3,715)	(6,716)
Asset write downs/disposals	0	0
Foreign currency translation	(74)	97
Liability, Ending Balance	840	3,258
Severance and Termination Benefits [Member] \| 2012 and Earlier Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	4,529	11,452
Restructuring-related charges	97	1,666
Adjustments	(256)	(487)
Cash receipts/(payments)	(4,194)	(8,114)
Asset write downs/disposals	0	0
Foreign currency translation	(26)	12
Liability, Ending Balance	150	4,529
Asset Impairment / Disposal of Assets [Member] \| 2014 Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	0
Restructuring-related charges	3,562
Cash receipts/(payments)	174
Asset write downs/disposals	(3,736)
Foreign currency translation	0
Liability, Ending Balance	0
Asset Impairment / Disposal of Assets [Member] \| 2013 Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	0	0
Restructuring-related charges	315	7,245
Adjustments	(727)
Cash receipts/(payments)	855	6,641
Asset write downs/disposals	(443)	(13,886)
Foreign currency translation	0	0
Liability, Ending Balance	0	0
Asset Impairment / Disposal of Assets [Member] \| 2012 and Earlier Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	0	0
Restructuring-related charges	429	1,375
Adjustments	(1,247)	(2,641)
Cash receipts/(payments)	2,006	2,277
Asset write downs/disposals	(1,188)	(1,011)
Foreign currency translation	0	0
Liability, Ending Balance	0	0
Other Costs [Member] \| 2014 Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	0
Restructuring-related charges	6,235
Cash receipts/(payments)	(5,767)
Asset write downs/disposals	0
Foreign currency translation	(5)
Liability, Ending Balance	463
Other Costs [Member] \| 2013 Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	0	0
Restructuring-related charges	1,766	1,699
Adjustments	(76)
Cash receipts/(payments)	(1,690)	(1,699)
Asset write downs/disposals	0	0
Foreign currency translation	0	0
Liability, Ending Balance	0	0
Other Costs [Member] \| 2012 and Earlier Actions [Member]
Restructuring Reserve [Roll Forward]
Liability, Beginning Balance	18	170
Restructuring-related charges	1,950	6,316
Adjustments	(813)	(12)
Cash receipts/(payments)	(154)	(6,457)
Asset write downs/disposals	0	0
Foreign currency translation	(1)	1
Liability, Ending Balance	$ 1,000	$ 18

Restructuring reserve asset write offs.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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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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-Publisher SEC

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-Number Topic 5

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- Definition

Amount of foreign currency translation adjustment increasing or decreasing the accrual for a specified type of restructuring cost.

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