Segment and Geographical Information (Details) $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2015 USD ($) segment	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)
Segment and Geographical Information
Number of reportable segments | segment									2
Net revenue	$ 392.0	$ 398.7	$ 404.6	$ 401.5	$ 468.7	$ 416.8	$ 396.8	$ 384.9	$ 1,596.8	$ 1,667.2	$ 1,553.4
Depreciation and amortization									54.3	58.4	89.4
Total assets	1,808.1				1,918.5				1,808.1	1,918.5
Tangible long-lived assets, net	158.3				159.5				158.3	159.5
UNITED STATES
Segment and Geographical Information
Net revenue									915.0	874.4	886.3
Tangible long-lived assets, net	95.7				93.7				95.7	93.7
International
Segment and Geographical Information
Net revenue									681.8	792.8	667.1
Tangible long-lived assets, net	62.6				65.8				62.6	65.8
Corporate
Segment and Geographical Information
Adjusted EBITDA									(37.3)	(25.7)	(29.9)
Depreciation and amortization									1.3	1.0	0.4
Total assets	45.9				47.9				45.9	47.9
Process Equipment Group Segment
Segment and Geographical Information
Net revenue									992.8	1,075.0	932.7
Process Equipment Group Segment | Operating Segments
Segment and Geographical Information
Adjusted EBITDA									160.5	150.4	116.4
Depreciation and amortization									37.2	41.9	71.1
Total assets	1,537.3				1,632.8				1,537.3	1,632.8
Batesville Segment
Segment and Geographical Information
Net revenue									604.0	592.2	620.7
Batesville Segment | Operating Segments
Segment and Geographical Information
Adjusted EBITDA									145.5	150.8	161.0
Depreciation and amortization									15.8	15.5	$ 17.9
Total assets	$ 224.9				$ 237.8				$ 224.9	$ 237.8