Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve
Restructuring Reserve, Beginning	$ 13,185us-gaap_RestructuringReserve	$ 11,945us-gaap_RestructuringReserve
Restructuring Charges	5,915us-gaap_RestructuringCharges	19,830us-gaap_RestructuringCharges	16,687us-gaap_RestructuringCharges
Payments for Restructuring	(9,657)us-gaap_PaymentsForRestructuring	(18,949)us-gaap_PaymentsForRestructuring
Restructuring Reserve, Translation Adjustment	(1,007)	359
Restructuring Reserve, Ending	8,436us-gaap_RestructuringReserve	13,185us-gaap_RestructuringReserve	11,945us-gaap_RestructuringReserve
Employee Severance
Restructuring Cost and Reserve
Restructuring Reserve, Beginning	13,054	11,655
Restructuring Charges	4,669	15,196
Payments for Restructuring	(8,297)	(14,156)
Restructuring Reserve, Translation Adjustment	(1,007)	359
Restructuring Reserve, Ending	8,419	13,054
Other Restructuring Charges
Restructuring Cost and Reserve
Restructuring Reserve, Beginning	131	290
Restructuring Charges	1,246	4,634
Payments for Restructuring	(1,360)	(4,793)
Restructuring Reserve, Translation Adjustment	0	0
Restructuring Reserve, Ending	$ 17	$ 131

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.

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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.

+ References

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-Publisher FASB

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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.

+ References

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

-Publisher FASB

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-Topic 420

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

+ References

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

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