Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

Lease costs are presented below:

	Three Months Ended June 30,		Six Months Ended June 30,
	2019		2019
Operating leases	$	17.2	33.9
Short-term leases	10.5		21.6
Variable lease costs	18.5		35.8
Total	$	46.2	$	91.3

Leases, Other Information [Table Text Block]

Other information related to leases was as follows:

	Six Months Ended June 30,
	2019
Cash paid for operating leases within cash flows from operating activities	$	36.6
Right-of-use assets obtained in exchange for operating lease liabilities	6.5
Weighted-average remaining lease term of operating leases (in years)	7.7
Weighted-average discount rate for operating leases	8.4		%

Lessee, Lease Liability, Maturity [Table Text Block]

Future minimum lease payments under noncancelable operating leases as of June 30, 2019, were as follows:

Year ending December 31:
2019 (remaining period of year)	$	36.1
2020	63.5
2021	51.4
2022	41.4
2023	35.1
Thereafter	148.5
Total future minimum operating lease payments	376.0
Less imputed interest	109.2
Total operating lease liabilities	266.8
Less current portion of operating lease liabilities	53.9
Long-term operating lease liabilities	$	212.9