Commitments and Contingencies (Leases, and LC and Guarantees ) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Operating Leases, Rent Expense
Lease and rental expense	$ 41.7	$ 32.7	$ 126.7	$ 63.0
Letters of credit and guarantees
Irrevocable standby letters of credit and guarantees	$ 203.8		$ 203.8		$ 139.7

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration