Subsequent Event (Details) - Subsequent Event [Member] - Revolving Credit Facility [Member] - USD ($)		1 Months Ended
	Feb. 02, 2017	Feb. 24, 2017
Fourth Amendment, Maturity February 2022 [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 850,000,000	$ 850,000,000
Fourth Amendment, Maturity February 2022 [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	1.10%	1.10%
Fourth Amendment, Maturity February 2022 [Member] | Minimum [Member] | Base Rate [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	0.10%	0.10%
Fourth Amendment, Maturity February 2022 [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	1.70%	1.70%
Fourth Amendment, Maturity February 2022 [Member] | Maximum [Member] | Base Rate [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	0.70%	0.70%
Fourth Amendment, Maturity February 2022 [Member] | Euro [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 600,000,000	$ 600,000,000
Fourth Amendment, Maturity February 2022 [Member] | Sterling [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity		600,000,000
Fourth Amendment, Maturity February 2022 [Member] | Swiss Franc [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 600,000,000
Fourth Amendment, Maturity February 2022, Accordion Feature [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 350,000,000