Supplementary Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2017

Supplemental Cash Flow Information [Abstract]

Schedule of cash flow, supplemental disclosures

Net cash paid (received) during the period for interest, net of capitalized interest, and income taxes are presented below:

	2017		2016			2015
Net cash paid (received) during the period for:
Interest, net of capitalized interest	$	130.5	$	137.1		$	161.3
Income taxes	0.1		(2.6		)	0.7

Schedule of non-cash investing and financing activities

Non-cash investing and financing activities for the years ended December 31, 2017, 2016 and 2015, are presented below:

	2017		2016		2015
Capital investments	$	37.3	$	33.2	$	34.4
Research and Innovation Center capital lease	1.1		25.2		—
Issuance of restricted stock and restricted stock units	4.6		2.3		4.1