CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	1 Months Ended	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)		$ (9.6)	$ 21.7	$ 18.0	$ 1.3	$ 39.6
Adjustments to reconcile net earnings to cash provided by (used in) operating
Depreciation					16.9	13.7
Amortization expense (including debt issuance costs)					5.6	4.9
Deferred income tax benefit					(6.3)	0.0
Pension settlement charges					1.5	0.6
Inventory obsolescence					1.6	0.7
Gain on disposal of property, plant and equipment	$ (1.2)				(0.9)	0.0
Unrealized foreign currency (gains) losses					(0.2)	2.0
Stock-based compensation					4.9	4.6
Loss on fair value remeasurement of contingent consideration					12.4	0.0
Bad debt and customer claims					1.0	0.9
Other non-cash items					(0.9)	(2.2)
Changes in operating assets and liabilities:
Customer receivables					13.0	0.4
Inventories					(9.6)	(11.8)
Prepaid expenses and other assets					(4.9)	(0.8)
Accounts payable					(29.8)	4.3
Other liabilities					(16.1)	(1.0)
Cash provided by (used in) operating activities					(10.5)	55.9
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment					(20.8)	(21.9)
Proceeds from sales of property and equipment	12.2				12.2	0.0
Other, net					0.4	0.0
Cash used in investing activities					(8.2)	(21.9)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from revolving credit facility					237.5	198.5
Repayment of revolving credit facility					(196.0)	(203.5)
Repayment of term loans					(8.5)	(8.6)
Payment of dividends					(10.9)	(16.1)
Payments of withholding taxes related to net share settlements of equity awards					(4.0)	(3.0)
Cash provided by (used in) financing activities					18.1	(32.7)
Effect of exchange rate changes on cash and cash equivalents					(0.1)	0.0
Net increase (decrease) in cash and cash equivalents					(0.7)	1.3
Cash and cash equivalents at beginning of period				$ 1.6	8.5	1.6	$ 1.6
Cash and cash equivalents at end of period	$ 7.8	$ 7.8	$ 2.9		$ 7.8	$ 2.9	$ 8.5