Commitments, Contingencies and Guarantees (Tables)

12 Months Ended

Dec. 31, 2017

Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]

Disclosure Of Future Minimum Lease Payments

At December 31, 2017, we have future minimum lease payments as follows:

	Operating Leases		Finance Leases
2018	$	33.2	$	13.2
2019	25.7		2.0
2020	15.5		1.6
2021	9.2		1.1
2022	7.4		0.3
Thereafter	25.4		—
Total future minimum lease payments	$	116.4	18.2
Less: amount representing interest			(0.5		)
Present value of future minimum finance lease payments (note 12)			17.7
Less: current portion of finance lease obligations			(12.9		)
Long-term portion of finance lease obligations			$	4.8