Debt and Other Financing Arrangements - Senior Notes (Details)	6 Months Ended
	Jun. 30, 2020
Senior Notes | 5 3/8% Senior Notes due 2024
Debt Instrument [Line Items]
Stated rate	5.375%
Senior Notes | 5.000% Senior Notes due 2026
Debt Instrument [Line Items]
Stated rate	5.00%
Senior Notes | 5.000% Euro Fixed Rate Notes due 2024
Debt Instrument [Line Items]
Stated rate	5.00%
Senior Notes | 4.875% Euro Fixed Rate Notes due 2022
Debt Instrument [Line Items]
Stated rate	4.875%
Senior Notes | 4.875% Euro Fixed Rate Notes due 2024
Debt Instrument [Line Items]
Stated rate	4.875%
Line of Credit
Debt Instrument [Line Items]
Consolidated fixed charge coverage ratio	2.00