Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net sales	$ 228.5	$ 274.3	$ 698.8	$ 701.1
Cost of sales	152.8	177.1	464.5	469.0
Gross profit	75.7	97.2	234.3	232.1
Operating expenses:
Selling, general and administrative	47.1	47.5	146.3	134.2
Restructuring and other charges	8.6	2.5	11.9	12.6
Total operating expenses	55.7	50.0	158.2	146.8
Operating income	20.0	47.2	76.1	85.3
Non-operating expense:
Pension costs (benefits) other then service	(0.7)	(0.1)	(2.2)	0.8
Interest expense, net	6.1	4.2	19.5	15.6
Walter Energy Accrual	0.0	0.5	0.2	38.4
Net other expense	5.4	4.6	17.5	54.8
Income (loss) before income taxes	14.6	42.6	58.6	30.5
Income tax expense (benefit)	3.4	8.9	13.3	6.9
Net income (loss)	$ 11.2	$ 33.7	$ 45.3	$ 23.6
Net income (loss) per basic share:
Earnings Per Share, Basic	$ 0.07	$ 0.21	$ 0.29	$ 0.15
Net income (loss) per diluted share:
Earnings Per Share, Diluted	$ 0.07	$ 0.21	$ 0.29	$ 0.15
Weighted average shares outstanding:
Basic, in shares	157,800	157,800	157,800	157,900
Diluted, in shares	158,500	158,800	158,600	158,900
Dividends declared per share, in dollars per share	$ 0.0525	$ 0.0500	$ 0.1575	$ 0.1500