Consolidated Statements of Cash Flow - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Operating Activities
Consolidated net income	$ 29.0	$ 19.1
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	14.1	13.8
Deferred income taxes	5.3	(14.9)
Trade accounts receivable and receivables from long-term manufacturing contracts	15.7	(20.4)
Inventories	(8.9)	(14.3)
Prepaid expenses and other current assets	1.9	4.4
Trade accounts payable	(0.6)	(7.4)
Accrued expenses and other current liabilities	(9.7)	12.9
Income taxes payable	(12.1)	32.0
Defined benefit plan and postretirement funding	(2.3)	(2.8)
Defined benefit plan and postretirement expense	0.8	1.1
Other, net	0.4	1.1
Net cash provided by operating activities	35.5	26.9
Investing Activities
Capital expenditures	(3.6)	(5.6)
Payments to Acquire Businesses, Net of Cash Acquired	(26.2)	0.0
Net cash used in investing activities	(29.8)	(5.6)
Financing Activities
Repayments on term loan	0.0	(148.5)
Proceeds from revolving credit facilities, net of financing costs	160.2	371.8
Repayments on revolving credit facilities	(139.6)	(213.0)
Payments of dividends on common stock	(13.1)	(13.1)
Repurchases of common stock	0.0	(15.2)
Net (payments) proceeds on stock plans	(3.8)	2.6
Other, net	(0.9)	2.8
Net cash provided by (used in) financing activities	2.8	(12.6)
Effect of exchange rates on cash and cash equivalents	0.3	2.9
Net cash flows	8.8	11.6
Cash, cash equivalents, and restricted cash:
At beginning of period	56.5	66.7
At end of period	$ 65.3	$ 78.3