Segments - Reconciliation of Revenue from Segments to Consolidated (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) market Segment	Sep. 30, 2015 USD ($)
Segment Reporting, Revenue Reconciling Item [Line Items]
Number of operating segments | Segment			2
Number of end-markets served | market			4
Net sales	$ 1,023.4	$ 1,000.3	$ 3,044.1	$ 3,083.6
Performance Coatings [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	619.3	600.6	1,794.4	1,796.6
Performance Coatings [Member] | Refinish [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	434.5	426.9	1,262.0	1,280.2
Performance Coatings [Member] | Industrial [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	184.8	173.7	532.4	516.4
Transportation Coatings [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	404.1	399.7	1,249.7	1,287.0
Transportation Coatings [Member] | Light Vehicle [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	321.1	303.7	994.9	984.1
Transportation Coatings [Member] | Commercial Vehicle [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	$ 83.0	$ 96.0	$ 254.8	$ 302.9