Subsequent Event (Details) - USD ($)	Mar. 02, 2016	Mar. 24, 2015	May. 31, 2012	Mar. 01, 2016	Jan. 31, 2016	Oct. 31, 2015
Subsequent Event [Line Items]
Term loans					$ 992,500,000	$ 996,300,000
2016 Credit Agreement [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Debt instrument, issuance date	Mar. 01, 2016
Term loans				$ 830,000,000
Line of credit facility interest rate margin on base rate loans percentage	0.50%
Line of credit facility interest rate margin on foreign currency loans percentage	1.50%
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 1,000,000,000
Line of credit facility, potential additional borrowing capacity			$ 500,000,000
Revolving Credit Facility [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				1,000,000,000
Line of credit facility, potential additional borrowing capacity				$ 750,000,000
Federal Funds Rate [Member] | 2016 Credit Agreement [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	0.50%
Eurodollar [Member] | 2016 Credit Agreement [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Minimum [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Commitment Fee Percentage			0.10%
Line of credit facility interest rate margin on base rate loans percentage			0.00%
Line of credit facility interest rate margin on foreign currency loans percentage			1.00%
Minimum [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Commitment Fee Percentage	0.125%
Maximum [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Commitment Fee Percentage			0.275%
Line of credit facility interest rate margin on base rate loans percentage			0.75%
Line of credit facility interest rate margin on foreign currency loans percentage			1.75%
Maximum [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Commitment Fee Percentage	0.25%
Line of Credit [Member]
Subsequent Event [Line Items]
Debt instrument, issuance date		Mar. 24, 2015
Line of Credit Facility, Maximum Borrowing Capacity		$ 100,000,000.0
Line of Credit [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Repayment of uncommitted revolving lines of credit	$ 200,000,000
Line of Credit [Member] | Eurodollar [Member]
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate		0.90%