Segment Information - Net Sales and Long-lived Assets (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Information
Net sales	$ 1,071.8	$ 1,089.1	$ 1,071.7	$ 857.3	$ 893.5	$ 991.0	$ 996.9	$ 794.0	$ 4,089.9	$ 3,675.4	$ 3,543.2
Total long-lived assets	812.8				632.2				812.8	632.2
United States
Segment Information
Net sales									3,162.2	2,835.7	2,659.4
Total long-lived assets	618.1				495.5				618.1	495.5
Europe
Segment Information
Net sales									411.3	381.8	384.4
Total long-lived assets	83.4				48.4				83.4	48.4
Asia
Segment Information
Net sales									272.2	241.9	225.5
Total long-lived assets	46.6				38.3				46.6	38.3
Canada
Segment Information
Net sales									90.9	77.2	114.9
Mexico and Latin America
Segment Information
Net sales									79.3	76.1	81.6
Total long-lived assets	37.0				28.4				37.0	28.4
Middle East and Africa
Segment Information
Net sales									43.4	42.6	55.7
United Kingdom
Segment Information
Total long-lived assets	27.2				21.3				27.2	21.3
Other
Segment Information
Net sales									30.6	20.1	$ 21.7
Total long-lived assets	$ 0.5				$ 0.3				$ 0.5	$ 0.3