Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from (used in) operating activities:
Net income	$ 425.4	$ 99.0	$ 65.3
Less: Gain (loss) from discontinued operations, net of tax	366.4	25.2	(11.0)
Income from continuing operations, net of tax	59.0	73.8	76.3
Adjustments to reconcile income from continuing operations to net cash from operating activities
Special charges, net	1.0	2.4	1.5
Gain on change in fair value of equity security	(11.8)	(8.6)	(7.9)
Loss on amendment/refinancing of senior credit agreement	0.0	0.0	0.6
Impairment of goodwill and intangible assets	5.7	0.7	0.0
Deferred and other income taxes	(1.4)	0.3	13.8
Depreciation and amortization	42.3	31.9	24.4
Pension and other employee benefits	(8.6)	10.7	16.9
Long-term incentive compensation	12.8	13.1	12.6
Other, net	4.3	5.0	1.8
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable and other assets	(19.8)	33.5	36.3
Inventories	(21.0)	0.0	(8.8)
Accounts payable, accrued expenses and other	70.3	(56.1)	(56.1)
Cash spending on restructuring actions	(1.6)	(1.5)	(1.4)
Net cash from continuing operations	131.2	105.2	110.0
Net cash from discontinued operations	43.4	21.1	38.6
Net cash from operating activities	174.6	126.3	148.6
Cash flows from (used in) investing activities:
Proceeds (expenditures) related to company-owned life insurance policies, net	(31.2)	(0.2)	5.9
Business acquisitions, net of cash acquired	(265.2)	(104.4)	(147.1)
Capital expenditures	(9.6)	(15.3)	(13.5)
Other	0.0	0.0	(0.2)
Net cash used in continuing operations	(306.0)	(119.9)	(154.9)
Net cash from (used in) discontinued operations	620.1	(6.2)	1.2
Net cash from (used in) investing activities	314.1	(126.1)	(153.7)
Cash flows from (used in) financing activities:
Borrowings under senior credit facilities	209.9	197.6	593.8
Repayments under senior credit facilities	(346.0)	(207.8)	(560.2)
Borrowings under trade receivables agreement	179.0	134.4	93.0
Repayments under trade receivables agreement	(207.0)	(106.4)	(116.0)
Net repayments under other financing arrangements	(0.4)	(2.2)	(0.6)
Payment of contingent consideration	0.0	(1.5)	0.0
Minimum withholdings paid on behalf of employees for net share settlements, net of proceeds from the exercise of employee stock options and other	(3.3)	2.2	(3.7)
Financing fees paid	0.0	0.0	(1.6)
Net cash from (used in) continuing operations	(167.8)	16.3	4.7
Net cash from (used in) discontinued operations	0.2	(0.4)	(15.8)
Net cash from (used in) financing activities	(167.6)	15.9	(11.1)
Change in cash and equivalents due to changes in foreign currency exchange rates	6.6	(2.5)	2.1
Net change in cash and equivalents	327.7	13.6	(14.1)
Consolidated cash and equivalents, beginning of period	68.3	54.7	68.8
Consolidated cash and equivalents, end of period	396.0	68.3	54.7
Supplemental disclosure of cash flow information:
Interest paid	11.4	17.5	16.1
Income tax refunds (payments), net	5.5	(7.6)	(7.0)
Non-cash investing and financing activity:
Debt assumed	$ 0.4	$ 2.9	$ 1.3