Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Aggregate revenue during the period from sale of goods in the normal course of business, before deducting returns, allowances and discounts.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
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Derivative Financial Instruments (Details) $ in Thousands, € in Millions, ¥ in Millions, CAD in Millions, ₩ in Billions	3 Months Ended								12 Months Ended
	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 JPY (¥)	Dec. 31, 2015 KRW (₩)	Dec. 31, 2015 EUR (€)	Dec. 31, 2015 CAD	Dec. 31, 2014 JPY (¥)	Dec. 31, 2014 EUR (€)
Derivative Financial Instruments [Abstract]
Revenue	$ 572,200	$ 571,300	$ 560,200	$ 543,300	$ 609,600	$ 638,800	$ 650,000	$ 671,100	$ 2,247,047	$ 2,569,495	$ 3,176,718
Derivative Financial Instruments [Abstract]
Accumulated other comprehensive income (loss)	(71,269)				(51,521)				(71,269)	(51,521)
Accumulated Unrealized Gains (Losses) on Foreign Currency Cash Flow Hedges [Member]
Derivative Financial Instruments [Abstract]
Accumulated other comprehensive income (loss)	300				1,100				300	1,100
Accumulated Unrealized Gains (Losses) on Foreign Currency Cash Flow Hedges [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member]
Derivative Financial Instruments [Abstract]
Revenue									2,100	(2,700)	$ 5,100
Accumulated Translation Adjustment [Member]
Derivative Financial Instruments [Abstract]
Accumulated other comprehensive income (loss)	71,600				52,600				71,600	52,600
Forward Contracts [Member] \| Fair Value Hedges [Member]
Derivative Financial Instruments [Abstract]
Fair value	500				1,700				500	1,700
Forward Contracts [Member] \| Fair Value Hedges [Member] \| Japanese Yen [Member]
Derivative Financial Instruments [Abstract]
Notional amount	4,200								4,200			¥ 500.0
Forward Contracts [Member] \| Fair Value Hedges [Member] \| Canadian Dollars [Member]
Derivative Financial Instruments [Abstract]
Notional amount	6,500								6,500						CAD 9.0
Forward Contracts [Member] \| Fair Value Hedges [Member] \| Korean Won [Member]
Derivative Financial Instruments [Abstract]
Notional amount	4,900								4,900				₩ 5.8
Forward Contracts [Member] \| Cash Flow Hedges [Member] \| Japanese Yen [Member]
Derivative Financial Instruments [Abstract]
Notional amount	15,800				17,500				15,800	17,500		¥ 1,900.0				¥ 2,100.0
Forward Contracts [Member] \| Cash Flow Hedges [Member] \| Euros [Member]
Derivative Financial Instruments [Abstract]
Notional amount	$ 16,300				$ 4,800				$ 16,300	$ 4,800				€ 15.0			€ 4.0