Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Revenues	$ 257.7	$ 234.0	$ 470.3	$ 426.8
Cost of sales	171.7	159.2	311.7	291.9
Gross profit	86.0	74.8	158.6	134.9
Operating expenses:
Selling, general and administrative	49.3	45.7	99.2	86.7
Restructuring	0.9	6.9	3.3	10.1
Total operating expenses	50.2	52.6	102.5	96.8
Operating income	35.8	22.2	56.1	38.1
Non-operating expense:
Defined Benefit Plan, Net Periodic Benefit Cost other than Service Cost	(0.8)	1.0	(1.5)	0.9
Interest expense, net	6.0	5.9	13.4	11.4
Walter accrual	0.0	0.5	0.2	37.9
Total non-operating expenses	5.2	7.4	12.1	50.2
Income (loss) before income taxes	30.6	14.8	44.0	(12.1)
Income tax expense (benefit)	6.8	3.9	9.9	(2.0)
Net Income (Loss) Attributable to Parent	$ 23.8	$ 10.9	$ 34.1	$ (10.1)
Net loss per basic share:
Earnings Per Share, Basic	$ 0.15	$ 0.07	$ 0.22	$ (0.06)
Net loss per diluted share:
Earnings Per Share, Diluted	$ 0.15	$ 0.07	$ 0.21	$ (0.06)
Weighted average shares outstanding:
Basic, in shares	157,900	158,200	157,800	157,900
Diluted, in shares	158,700	159,200	158,700	157,900
Dividends declared per share, in dollars per share	$ 0.0525	$ 0.0500	$ 0.1050	$ 0.1000