Debt (Narrative) (Details)			3 Months Ended	12 Months Ended
	Nov. 01, 2017 USD ($)	Mar. 01, 2016 USD ($)	Jan. 31, 2018 USD ($)	Oct. 31, 2017 USD ($)
Line of Credit Facility [Line Items]
Term loans			$ 2,255,000,000	$ 830,000,000
Required minimum Interest coverage ratio			3.00
Required maximum total leverage ratio			3.75
Interest coverage ratio			19.42
Total leverage ratio			2.68
Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage		0.125%
Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage		0.25%
2016 Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, potential additional borrowing capacity		$ 750,000,000
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Aggregate commitment amount of credit facility		$ 1,000,000,000.0
2016 Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, initiation date		Mar. 01, 2016
Term loans		$ 830,000,000
Line of credit facility interest rate margin on base rate loans percentage		1.00%
Line of credit facility interest rate margin on foreign currency loans percentage		1.75%
Amount available under the credit agreement			$ 874,700,000
2016 Credit Agreement [Member] | Federal Funds Rate [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.00%
2016 Credit Agreement [Member] | Eurodollar [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.75%
Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt instrument, maturity date		Mar. 01, 2021
Two Thousand Seventeen Term Loan Agreement [Member] | Base Rate [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				0.00%
Two Thousand Seventeen Term Loan Agreement [Member] | Base Rate [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				0.75%
Two Thousand Seventeen Term Loan Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				1.00%
Two Thousand Seventeen Term Loan Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				1.75%
Senior Unsecured Term Loan Agreement [Member] | Senior Notes [Member]
Line of Credit Facility [Line Items]
Amount available under the credit agreement			$ 830,000,000
Debt term	5 years
Debt Instrument, Face Amount	$ 1,425,000,000.000