Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
OPERATING ACTIVITIES
Net earnings (loss)	$ 102.5	$ 145.9	$ (25.9)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	46.3	40.3	50.9
Provision for expected losses on accounts receivable	8.4	2.8	3.8
Impairment charges	0.1	9.2	60.6
Share-based compensation	19.3	19.5	13.6
Non-cash loss (gain) on debt extinguishments	0.0	2.6	(2.3)
Deferred income taxes	(0.5)	(0.3)	(26.4)
Net pension plan income	(0.9)	(4.2)	(2.0)
Amortization of right-of-use assets	16.4	17.3	23.3
Other	1.8	0.8	1.1
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable, net	24.4	(28.8)	(14.8)
Prepaid expenses and other current assets	(3.2)	(6.2)	8.4
Accounts payable	12.1	(19.8)	(4.4)
Income taxes payable and receivable	(2.1)	(13.5)	12.3
Accrued liabilities and other	(53.9)	36.6	79.3
Operating Lease liabilities	(18.9)	(20.8)	(22.2)
Pension and other postretirement benefits plans contributions	(1.6)	(1.4)	(1.1)
Net cash provided by operating activities	150.2	180.0	154.2
INVESTING ACTIVITIES
Capital expenditures	(54.2)	(42.3)	(31.1)
Proceeds from sale of a business	3.3	0.0	0.0
Acquisitions, net of cash acquired	0.0	(3.6)	0.0
Purchase of investments	0.0	0.0	(1.2)
Proceeds from sale of investment	0.0	0.0	12.8
Other investing activities	0.0	0.9	(0.3)
Net cash used in investing activities	(50.9)	(45.0)	(19.8)
FINANCING ACTIVITIES
Revolving facility borrowings	345.5	278.0	369.0
Payments on revolving facility borrowings	(300.5)	(278.0)	(369.0)
Proceeds from issuance of long-term debt	0.0	200.0	0.0
Payments on long-term debt	0.0	(312.8)	(63.8)
Debt issuance costs	0.0	(2.8)	0.0
Treasury share repurchases	(164.7)	(40.9)	(11.8)
Proceeds from exercise of stock options	0.4	2.3	0.0
Finance lease payments	(1.8)	(0.8)	0.0
Other financing activities	0.0	0.1	(1.9)
Net cash used in financing activities	(121.1)	(154.9)	(77.5)
Effect of exchange rate on cash and cash equivalents	1.5	0.8	(0.5)
Net (decrease) increase in cash and cash equivalents	(20.3)	(19.1)	56.4
Cash and cash equivalents at beginning of year	54.5	73.6	17.2
Cash and cash equivalents at end of period	34.2	54.5	73.6
Supplemental cash flow information:
Income taxes paid (net of refunds)	38.4	65.0	21.7
Interest paid	7.6	21.8	24.5
Non-cash investing activities:
Other investing activities	0.0	0.0	0.7
Conversion of note receivable to equity of investee	$ 0.0	$ 0.0	$ (1.0)