Segment and Geographical Information - Schedule of net revenue and assets by segment (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Jun. 30, 2015		Jun. 30, 2014		Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2014
Segment and Geographical Information
Net revenue	$ 398.7	[1]	$ 416.8	[1]	$ 1,204.8	$ 1,198.5
Total assets assigned	1,804.8				1,804.8		$ 1,918.5
Property, plant, and equipment, net	155.5				155.5		159.5
United States
Segment and Geographical Information
Net revenue	226.6		224.7		679.3	643.0
Property, plant, and equipment, net	95.1				95.1		93.7
International
Segment and Geographical Information
Net revenue	172.1		192.1		525.5	555.5
Property, plant, and equipment, net	60.4				60.4		65.8
Operating segments
Segment and Geographical Information
Net revenue	398.7		416.8		1,204.8	1,198.5
Corporate
Segment and Geographical Information
Adjusted EBITDA	(9.7)		(7.6)		(30.1)	(17.3)
Total assets assigned	66.7				66.7		47.9
Process Equipment Group
Segment and Geographical Information
Net revenue	253.6		274.0		750.8	755.7
Process Equipment Group | Operating segments
Segment and Geographical Information
Adjusted EBITDA	43.7		44.1		116.3	96.8
Total assets assigned	1,521.5				1,521.5		1,632.8
Batesville
Segment and Geographical Information
Net revenue	145.1		142.8		454.0	442.8
Batesville | Operating segments
Segment and Geographical Information
Adjusted EBITDA	32.2		$ 34.3		108.9	$ 113.7
Total assets assigned	$ 216.6				$ 216.6		$ 237.8

[1] We attribute revenue to a geography based upon the location of the business unit that consummates the external sale.