Segments - Reconciliation of Revenue from Segments to Consolidated (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) market Segment	Jun. 30, 2015 USD ($)
Segment Reporting, Revenue Reconciling Item [Line Items]
Number of operating segments | Segment			2
Number of end-markets served | market			4
Net sales	$ 1,065.1	$ 1,094.1	$ 2,020.7	$ 2,083.3
Performance Coatings [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	632.1	638.8	1,175.1	1,196.0
Performance Coatings [Member] | Refinish [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	448.8	460.1	827.5	853.3
Performance Coatings [Member] | Industrial [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	183.3	178.7	347.6	342.7
Transportation Coatings [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	433.0	455.3	845.6	887.3
Transportation Coatings [Member] | Light Vehicle [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	344.4	347.2	673.8	680.4
Transportation Coatings [Member] | Commercial Vehicle [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	$ 88.6	$ 108.1	$ 171.8	$ 206.9