Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities
Net income/(loss)	$ 27.7	$ (25.5)	$ 127.2
Adjustments to reconcile net income to net cash flows:
Depreciation	51.9	57.8	58.0
Amortization of intangible assets	70.4	69.8	70.4
Amortization of deferred financing costs	4.0	4.6	4.6
Loss on foreign currency, net	1.5	1.2
Accretion of debt discount	0.4	0.5	0.5
Non-cash amortization of interest rate swap expense	25.7	9.0
Impairment charges	142.4	147.5
Payment for interest rate swap settlement		(34.7)
(Gain) Loss on disposals and other	(0.3)	0.7	0.1
Loss on extinguishment of debt	15.4
Benefit for deferred taxes	(82.1)	(28.3)	(33.1)
Stock based compensation	15.7	13.2	13.6
Changes in assets and liabilities, net of assets acquired:
Trade receivables	4.4	10.6	14.8
Inventories	(67.4)	19.0	5.8
Accounts payable and accrued liabilities	37.0	18.8	(16.2)
Other current assets and liabilities	(22.4)	(4.5)	14.6
Other operating assets and liabilities	(7.3)	2.8	(4.4)
Net cash provided by operating activities	217.0	262.5	255.9
Cash flows from investing activities
Purchase of property, plant and equipment	(40.6)	(33.7)	(51.7)
Proceeds from sale of property	2.2		0.3
Proceeds from cross currency interest rate swap settlement		56.2
Investment in MTEK Industry AB		(5.0)
Acquisition of Nook Industries, net of cash acquired	(125.2)
A&S Business acquisition purchase price adjustment		(1.9)	(29.5)
Net cash provided by (used in) investing activities	(163.6)	15.6	(80.9)
Cash flows from financing activities
Payments of debt issuance costs	(3.7)
Payments on Term Loan B Facility	(1,030.0)	(160.0)	(130.0)
Payments on Revolving Credit Facility	(5.0)	(100.0)
Borrowing under Term Loan A Facility	400.0
Borrowing under Revolving Credit Facility	610.0	100.0
Dividend payments	(18.3)	(27.8)	(44.4)
Payments of equipment, working capital notes, mortgages and other debt	(5.9)	(1.5)	(1.1)
Proceeds from equipment, working capital notes, mortgages and other debt	3.7		1.6
Shares surrendered for tax withholding	(5.5)	(3.9)	(4.0)
Proceeds from issuance of common stock upon exercise of options	2.2
Net cash used in financing activities	(52.5)	(193.2)	(177.9)
Effect of exchange rate changes on cash and cash equivalents	(9.2)	2.2	1.2
Net change in cash and cash equivalents	(8.3)	87.1	(1.7)
Cash and cash equivalents at beginning of year	254.4	167.3	169.0
Cash and cash equivalents at end of year	246.1	254.4	167.3
Cash paid during the year for:
Interest paid on borrowings	49.3	58.1	68.8
Income taxes paid	82.3	61.7	45.4
Non-cash Financing and Investing:
Nook Industries purchase price holdback	8.2
Acquisition of property, plant and equipment included in accounts payable	$ 6.8	$ 4.3	$ 3.9