Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Goodwill (Details)

v3.8.0.1
Summary of Significant Accounting Policies - Goodwill (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Changes in the carrying amount of goodwill    
Goodwill, Beginning Balance $ 634.3 $ 544.0
Acquisitions   96.4
Adjustments (0.9) (0.3)
Foreign currency adjustments 14.1 (5.8)
Goodwill, Ending Balance 647.5 634.3
Process Equipment Group    
Changes in the carrying amount of goodwill    
Goodwill, Beginning Balance 626.0 535.7
Acquisitions   96.4
Adjustments (0.9) (0.3)
Foreign currency adjustments 14.1 (5.8)
Goodwill, Ending Balance 639.2 626.0
Batesville    
Changes in the carrying amount of goodwill    
Goodwill, Beginning Balance 8.3 8.3
Adjustments 0.0 0.0
Foreign currency adjustments 0.0 0.0
Goodwill, Ending Balance $ 8.3 $ 8.3
Customer Concentration Risk [Member]    
Goodwill    
Reporting Unit, Approximate Percentage of Fair Value in Excess of Carrying Amount 10.00%  
Changes in the carrying amount of goodwill    
Goodwill, Ending Balance $ 71.3