Discontinued operations (Tables)

12 Months Ended

Dec. 31, 2017

Discontinued Operations [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

The following table summarizes the results of the Pressure Sensitive Materials business, reclassified as discontinued operations for the twelve month period ended December 31, 2015:

	Twelve Months Ended
(in millions)	December 31, 2015
Loss from discontinued operations before income taxes	$	(3.7	)
(Benefit) provision for income taxes on discontinued operations	(1.1		)
Loss from discontinued operations, net of tax	$	(2.6	)