Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments And Contingencies Disclosure [Abstract]

Estimated Future Cash Outlays Related to Principal Contractual Obligations

The estimated future cash outlays are as follows:

Year	Amount (in millions)
2017	$	84.7
2018		54.2
2019		20.0
2020		13.4
2021		12.6
Thereafter		—
Total	$	184.9

Estimated Future Minimum Annual Rental Commitments Under Non-Cancelable Real and Personal Property Leases

At December 31, 2016, estimated future minimum annual rental commitments under non-cancelable real and personal property leases were as follows:

Year	Amount (in millions)
2017	$	39.2
2018		30.5
2019		20.2
2020		12.6
2021		10.7
Thereafter		9.0
Total	$	122.2