Goodwill and Other Assets (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill	$ 1,281.7	$ 452.2	$ 428.8
Accumulated impairment losses	(290.7)	(290.7)	(290.7)
Beginning balance	161.5	138.1
Goodwill acquired	817.0	39.7
Goodwill adjustment	(0.5)
Currency translation adjustment	13.0	(16.3)
Ending balance	991.0	161.5
North America Segment [Member]
Goodwill [Line Items]
Goodwill	114.9	112.7	76.4
Accumulated impairment losses	(13.2)	(13.2)	(13.2)
Beginning balance	99.5	63.2
Goodwill acquired	0.0	39.7
Goodwill adjustment	(0.5)
Currency translation adjustment	2.7	(3.4)
Ending balance	101.7	99.5
Asia Pacific Segment [Member]
Goodwill [Line Items]
Goodwill	38.3	37.6	40.0
Accumulated impairment losses	0.0	0.0	0.0
Beginning balance	37.6	40.0
Goodwill acquired	0.0	0.0
Goodwill adjustment	0.0
Currency translation adjustment	0.7	(2.4)
Ending balance	38.3	37.6
EMEA Segment [Member]
Goodwill [Line Items]
Goodwill	168.7	168.7	168.7
Accumulated impairment losses	(168.7)	(168.7)	(168.7)
Beginning balance	0.0	0.0
Goodwill acquired	0.0	0.0
Goodwill adjustment	0.0
Currency translation adjustment	0.0	0.0
Ending balance	0.0	0.0
Latin America Segment [Member]
Goodwill [Line Items]
Goodwill	137.4	133.2	143.7
Accumulated impairment losses	(108.8)	(108.8)	(108.8)
Beginning balance	24.4	34.9
Goodwill acquired	0.0	0.0
Goodwill adjustment	0.0
Currency translation adjustment	4.2	(10.5)
Ending balance	28.6	24.4
Unallocated [Member]
Goodwill [Line Items]
Goodwill	822.4	0.0	0.0
Accumulated impairment losses	0.0	0.0	$ 0.0
Beginning balance	0.0	0.0
Goodwill acquired	817.0	0.0
Goodwill adjustment	0.0
Currency translation adjustment	5.4	0.0
Ending balance	$ 822.4	$ 0.0