Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Goodwill
Goodwill at beginning of period	$ 1,376.4
Foreign currency translation	11.6
Goodwill at end of period	1,388.0
North America [Member]
Goodwill
Goodwill at beginning of period	543.9
Foreign currency translation	0.0
Goodwill at end of period	543.9
South America [Member]
Goodwill
Goodwill at beginning of period	138.8
Foreign currency translation	3.8
Goodwill at end of period	142.6
EME [Member]
Goodwill
Goodwill at beginning of period	581.9
Foreign currency translation	6.6
Goodwill at end of period	588.5
APA [Member]
Goodwill
Goodwill at beginning of period	111.8
Foreign currency translation	1.2
Goodwill at end of period	$ 113.0