Income (loss) from discontinued operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) from operations	$ 0.0	$ 2.0	$ (2.4)	$ 2.9
Loss on sale	(0.1)	0.0	(0.8)	0.0
Income (loss) from discontinued operations before income taxes	(0.1)	1.1	(3.3)	2.9
Provision (benefit) for income taxes	(0.2)	0.4	(1.0)	1.7
Income (loss) from discontinued operations, net of tax	0.1	0.7	(2.3)	1.2
Insurance recoveries related to BAX Global indemnification
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Adjustments to contingencies of former operations	0.0	0.0	0.0	1.0	$ 9.5
Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Adjustments to contingencies of former operations	$ 0.0	$ (0.9)	(0.1)	$ (1.0)
Mexican Parcel Services | Pension settlement charges
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) from operations			$ (1.0)
BAX Global indemnification
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Adjustments to contingencies of former operations						$ (11.5)