Comprehensive Income or Loss - Reclassifications (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reclassifications of net (gain) loss from accumulated other comprehensive income or loss into earnings:
Cost of goods sold	$ 782.7	$ 791.4	$ 1,521.1	$ 1,535.4
Selling, general and administrative expenses	220.9	249.3	438.3	484.9
Interest expense	28.4	45.1	55.7	91.1
Loss on extinguishment of debt	0.6	0.0	2.4	0.0
Income tax provision	11.7	8.8	55.3	19.5
Reclassification out of Accumulated Other Comprehensive Income or Loss | Derivative instruments
Reclassifications of net (gain) loss from accumulated other comprehensive income or loss into earnings:
Cost of goods sold	0.0	0.0	(0.4)	0.2
Interest expense	0.1	0.1	0.2	0.3
Loss on extinguishment of debt	0.1	0.0	0.3	0.0
Income tax provision	0.0	(0.1)	0.1	(0.3)
Net income	0.2	0.0	0.2	0.2
Reclassification out of Accumulated Other Comprehensive Income or Loss | Defined benefit plans
Reclassifications of net (gain) loss from accumulated other comprehensive income or loss into earnings:
Selling, general and administrative expenses	0.9	(6.8)	1.9	(6.4)
Income tax provision	(0.3)	2.6	(0.6)	2.5
Net income	$ 0.6	$ (4.2)	$ 1.3	$ (3.9)