Intangible Assets and Goodwill Goodwill (Details) - USD ($)	6 Months Ended
	Mar. 31, 2018	Sep. 30, 2017
Goodwill [Line Items]
Goodwill	$ 602,600,000	$ 647,500,000
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	10.00%
Goodwill, Impairment Loss	$ (58,800,000)
Goodwill, Foreign Currency Translation Gain (Loss)	13,900,000
Process Equipment Group
Goodwill [Line Items]
Goodwill	594,300,000	639,200,000
Goodwill, Impairment Loss	58,800,000
Goodwill, Foreign Currency Translation Gain (Loss)	13,900,000
Batesville Services Inc [Member]
Goodwill [Line Items]
Goodwill	8,300,000	$ 8,300,000
Goodwill, Foreign Currency Translation Gain (Loss)	$ 0
Concentration Risk Type [Domain]
Goodwill [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	10.00%
Goodwill, Impairment Loss	$ (7,400,000.0)
Scenario, Previously Reported [Member]
Goodwill [Line Items]
Goodwill	$ 71,300,000