Goodwill (Schedule of Goodwill by Segment) (Details) $ in Millions |
6 Months Ended |
---|---|
Mar. 31, 2017
USD ($)
| |
Goodwill [Roll Forward] | |
Goodwill, net, beginning balance | $ 845.1 |
Currency translation | (17.9) |
Goodwill, net, ending balance | 827.2 |
Industrial Gases - Americas [Member] | |
Goodwill [Roll Forward] | |
Goodwill, net, beginning balance | 309.1 |
Currency translation | (0.9) |
Goodwill, net, ending balance | 308.2 |
Industrial Gases - EMEA [Member] | |
Goodwill [Roll Forward] | |
Goodwill, net, beginning balance | 380.6 |
Currency translation | (17.0) |
Goodwill, net, ending balance | 363.6 |
Industrial Gases - Asia [Member] | |
Goodwill [Roll Forward] | |
Goodwill, net, beginning balance | 135.2 |
Currency translation | 0.3 |
Goodwill, net, ending balance | 135.5 |
Industrial Gases - Global [Member] | |
Goodwill [Roll Forward] | |
Goodwill, net, beginning balance | 20.2 |
Currency translation | (0.3) |
Goodwill, net, ending balance | $ 19.9 |