6. Derivative Financial Instruments (Details) - Transaction Exposure - Foreign exchange forward contracts [Member] - Not Designated as Hedging Instrument [Member] € in Millions, ₨ in Millions, ¥ in Millions, RM in Millions, R$ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2020 JPY (¥)	Dec. 31, 2019 JPY (¥)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 AUD ($)	Jun. 30, 2020 BRL (R$)	Jun. 30, 2020 CAD ($)	Jun. 30, 2020 CLP ($)	Jun. 30, 2020 EUR (€)	Jun. 30, 2020 INR (₨)	Jun. 30, 2020 MYR (RM)	Jun. 30, 2020 MXN ($)	Jun. 30, 2020 SGD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 AUD ($)	Dec. 31, 2019 BRL (R$)	Dec. 31, 2019 CAD ($)	Dec. 31, 2019 CLP ($)	Dec. 31, 2019 EUR (€)	Dec. 31, 2019 INR (₨)	Dec. 31, 2019 MYR (RM)	Dec. 31, 2019 MXN ($)	Dec. 31, 2019 SGD ($)
Australia, Dollars
Derivative [Line Items]
Derivative, Currency Bought	Australian dollar	Australian dollar
Derivative, Currency Sold		Australian dollar
Brazil, Brazil Real
Derivative [Line Items]
Derivative, Currency Bought	Brazilian real	Brazilian real
Derivative, Currency Sold	Brazilian real	Brazilian real
Canada, Dollars
Derivative [Line Items]
Derivative, Currency Bought		Canadian dollar
Derivative, Currency Sold	Canadian dollar	Canadian dollar
Chile, Pesos
Derivative [Line Items]
Derivative, Currency Bought		Chilean peso
Derivative, Currency Sold	Chilean peso	Chilean peso
Euro Member Countries, Euro
Derivative [Line Items]
Derivative, Currency Bought	Euro	Euro
Derivative, Currency Sold	Euro	Euro
India, Rupees
Derivative [Line Items]
Derivative, Currency Sold	Indian rupee	Indian rupee
Japan, Yen
Derivative [Line Items]
Derivative, Currency Bought	Japanese yen	Japanese yen
Derivative, Currency Sold	Japanese yen	Japanese yen
Malaysia, Ringgits
Derivative [Line Items]
Derivative, Currency Bought	Malaysian ringgit	Malaysian ringgit
Derivative, Currency Sold	Malaysian ringgit	Malaysian ringgit
Mexico, Pesos
Derivative [Line Items]
Derivative, Currency Sold	Mexican peso	Mexican peso
Singapore, Dollars
Derivative [Line Items]
Derivative, Currency Bought	Singapore dollar	Singapore dollar
Long [Member] | Australia, Dollars
Derivative [Line Items]
Derivative, Notional Amount			$ 2.2	$ 3.2									$ 10.4	$ 14.9
Long [Member] | Brazil, Brazil Real
Derivative [Line Items]
Derivative, Notional Amount			0.5		R$ 2.6								3.3		R$ 13.2
Long [Member] | Canada, Dollars
Derivative [Line Items]
Derivative, Notional Amount													3.4			$ 4.5
Long [Member] | Chile, Pesos
Derivative [Line Items]
Derivative, Notional Amount													2.0				$ 1,493.1
Long [Member] | Euro Member Countries, Euro
Derivative [Line Items]
Derivative, Notional Amount			139.9					€ 124.3					96.5					€ 86.1
Long [Member] | Japan, Yen
Derivative [Line Items]
Derivative, Notional Amount	¥ 3,032.2	¥ 3,625.5	28.2										33.3
Long [Member] | Malaysia, Ringgits
Derivative [Line Items]
Derivative, Notional Amount			3.6							RM 15.3			21.6							RM 88.6
Long [Member] | Singapore, Dollars
Derivative [Line Items]
Derivative, Notional Amount			2.1									$ 2.9	2.2									$ 2.9
Short [Member] | Australia, Dollars
Derivative [Line Items]
Derivative, Notional Amount													7.8	$ 11.1
Short [Member] | Brazil, Brazil Real
Derivative [Line Items]
Derivative, Notional Amount			0.8		R$ 4.3								1.1		R$ 4.3
Short [Member] | Canada, Dollars
Derivative [Line Items]
Derivative, Notional Amount			3.1			$ 4.3							1.2			$ 1.6
Short [Member] | Chile, Pesos
Derivative [Line Items]
Derivative, Notional Amount			3.1				$ 2,553.8						5.1				$ 3,866.1
Short [Member] | Euro Member Countries, Euro
Derivative [Line Items]
Derivative, Notional Amount			82.1					€ 72.9					130.3					€ 116.3
Short [Member] | India, Rupees
Derivative [Line Items]
Derivative, Notional Amount			10.1						₨ 766.7				18.0						₨ 1,283.8
Short [Member] | Japan, Yen
Derivative [Line Items]
Derivative, Notional Amount	¥ 27,265.9	¥ 23,089.5	253.6										212.2
Short [Member] | Malaysia, Ringgits
Derivative [Line Items]
Derivative, Notional Amount			4.2							RM 18.1			10.1							RM 41.3
Short [Member] | Mexico, Pesos
Derivative [Line Items]
Derivative, Notional Amount			$ 1.5								$ 34.6		$ 1.8								$ 34.6