Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Net sales	$ 1,000.3	$ 1,108.9	$ 3,083.6	$ 3,282.9
Equity in earnings in unconsolidated affiliates	0.1	0.5	0.9	1.3
Adjusted EBITDA	216.9	228.0	654.4	635.8
Investment in unconsolidated affiliates	12.3	15.9	12.3	15.9
Performance Coatings [Member]
Segment Reporting Information [Line Items]
Net sales	600.6	663.5	1,796.6	1,944.6
Equity in earnings in unconsolidated affiliates	0.1	0.4	0.4	0.9
Adjusted EBITDA	139.0	148.5	408.2	409.7
Investment in unconsolidated affiliates	5.5	8.3	5.5	8.3
Transportation Coatings [Member]
Segment Reporting Information [Line Items]
Net sales	399.7	445.4	1,287.0	1,338.3
Equity in earnings in unconsolidated affiliates	0.0	0.1	0.5	0.4
Adjusted EBITDA	77.9	79.5	246.2	226.1
Investment in unconsolidated affiliates	$ 6.8	$ 7.6	$ 6.8	$ 7.6