CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 18.0	$ 15.3
Adjustments to reconcile net earnings to cash provided by operating activities:
Depreciation	6.3	6.3
Amortization expense (including deferred financing fees)	2.5	2.2
Loss on extinguishment of debt	0.0	1.4
Inventory obsolescence	0.4	0.5
Unrealized foreign currency loss (gains)	0.7	(2.0)
Stock-based compensation	2.2	2.4
Bad debt and customer claims	0.3	0.4
Changes in assets and liabilities:
Customer receivables	11.4	(6.3)
Inventories	(7.1)	(9.6)
Prepaid and other current assets	1.8	3.0
Accounts payable	(7.5)	(0.2)
Current and deferred income taxes	3.9	1.9
Other current liabilities	(10.5)	(4.2)
Other noncurrent assets and liabilities	(3.3)	(5.5)
Cash provided by operating activities	19.1	5.6
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(9.2)	(8.5)
Purchase of business, net of cash acquired	0.0	(303.7)
Cash used in investing activities	(9.2)	(312.2)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from revolving credit facility	111.0	282.0
Repayment of revolving credit facility	(105.0)	(132.0)
Proceeds from term loan	0.0	350.5
Repayment of term loan	(4.3)	(165.0)
Payment of financing fees	0.0	(4.5)
Payment of fees related to debt extinguishment	0.0	(1.0)
Payment of dividends	(7.8)	(7.7)
Purchase of common stock for treasury	(3.0)	(1.9)
Cash (used in) provided by financing activities	(9.1)	320.4
Effect of exchange rate changes on cash and cash equivalents	0.0	0.2
Net increase in cash and cash equivalents	0.8	14.0
Cash and cash equivalents at beginning of period	1.6	2.2	$ 2.2
Cash and cash equivalents at end of period	$ 2.4	$ 16.2	$ 1.6