Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Net Revenue
Product sales and service	$ 610.7	$ 579.6	$ 1,185.9	$ 1,121.5
Rental revenue	99.8	99.3	194.3	194.8
Total revenue	710.5	678.9	1,380.2	1,316.3
Cost of Revenue
Cost of goods sold	313.7	305.7	617.8	594.1
Rental expenses	46.4	48.8	92.4	95.2
Total cost of revenue	360.1	354.5	710.2	689.3
Gross Profit	350.4	324.4	670.0	627.0
Research and development expenses	34.7	35.3	67.0	67.3
Selling and administrative expenses	232.7	222.4	454.4	431.2
Special charges (Note 8)	36.9	3.1	50.4	8.9
Operating Profit	46.1	63.6	98.2	119.6
Interest expense	(24.2)	(21.9)	(47.3)	(41.4)
Investment income and other, net	(0.4)	(0.4)	1.4	(1.6)
Income Before Income Taxes	21.5	41.3	52.3	76.6
Income tax expense (benefit) (Note 9)	(7.0)	7.3	(64.5)	19.1
Net Income	28.5	34.0	116.8	57.5
Less: Net loss attributable to noncontrolling interests	0.0	(0.4)	0.0	(0.7)
Net Income Attributable to Common Shareholders	$ 28.5	$ 34.4	$ 116.8	$ 58.2
Net Income Attributable to Common Shareholders per Common Share - Basic (usd per share)	$ 0.43	$ 0.52	$ 1.77	$ 0.89
Net Income Attributable to Common Shareholders per Common Share - Diluted (usd per share)	0.42	0.51	1.73	0.87
Dividends per Common Share (usd per share)	$ 0.2	$ 0.18	$ 0.38	$ 0.35
Average Common Shares Outstanding - Basic (thousands) (Note 10) (in shares)	66,192	65,462	66,040	65,473
Average Common Shares Outstanding - Diluted (thousands) (Note 10) (in shares)	67,597	67,132	67,508	67,057