Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Cash flows from operating activities of continuing operations:
Net income (loss)	$ 29.6	$ (3.2)	$ (131.7)
Net income from discontinued operations, net of income taxes	0.0	0.0	25.1
Net income (loss) from continuing operations	29.6	(3.2)	(156.8)
Adjustments to reconcile net income (loss) from continuing operations to cash flows from operating activities:
Depreciation and amortization	242.8	219.1	202.1
Amortization of financing fees	3.3	3.4	3.5
Share-based compensation expense	17.2	17.5	22.1
Provision for deferred income taxes	14.1	4.0	0.2
Loss on extinguishment of long-term debt	0.0	27.2	19.7
Gain on sale of business	(0.8)	(3.8)	(0.6)
Impairment charges	29.1	0.0	115.2
Loss on disposal of property, plant and equipment, net	8.5	9.3	10.6
Gain on sale of property	(38.8)	0.0	0.0
Other non-cash items	18.2	6.8	(1.2)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	(10.4)	(32.6)	14.2
Inventories	(22.2)	(10.9)	1.0
Prepaid expenses and other current assets	(6.4)	(4.5)	2.4
Other assets	(3.2)	0.2	(3.6)
Accounts payable and accrued liabilities and other liabilities	0.6	26.2	(35.2)
Net cash provided by operating activities from continuing operations	281.6	258.7	193.6
Cash flows from investing activities of continuing operations:
Acquisitions, net of cash received	(20.3)	(90.5)	(446.1)
Additions to property, plant and equipment	(207.7)	(152.0)	(114.0)
Additions to intangible assets	(8.9)	(9.7)	(9.3)
Proceeds from sale of property, plant and equipment	3.9	1.9	1.8
Proceeds from sale of business, net of cash sold	0.0	7.1	0.0
Proceeds from sale of property	50.3	0.0	0.0
Other investing activities	1.2	2.3	0.7
Net cash used in investing activities from continuing operations	(181.5)	(240.9)	(566.9)
Cash flows from financing activities of continuing operations:
Payments of long-term debt	(20.0)	(763.9)	(545.6)
Issuance of long-term debt	0.0	750.0	533.5
Payments on short-term borrowings	(51.0)	(28.0)	(334.7)
Proceeds from short-term borrowings	37.0	134.2	347.5
Premiums and costs paid upon extinguishment of long-term debt	0.0	(20.6)	(14.7)
Issuance of common shares	2.5	25.5	3.4
Common shares repurchased and canceled	(27.7)	(48.1)	(33.2)
Financing fees	0.0	(11.6)	(11.2)
Equity issuance fees	0.0	0.0	(1.1)
Dividends paid to common and preferred shareholders	(45.4)	(38.9)	(39.6)
Payment of contingent consideration for acquisitions	(3.5)	(2.9)	(1.2)
Other financing activities	5.3	3.5	5.9
Net cash used in financing activities from continuing operations	(102.8)	(0.8)	(91.0)
Cash flows from discontinued operations:
Operating activities of discontinued operations	0.0	(1.8)	(17.4)
Investing activities of discontinued operations	0.0	0.0	388.9
Financing activities of discontinued operations	0.0	0.0	(0.1)
Net cash (used in) provided by discontinued operations	0.0	(1.8)	371.4
Effect of exchange rate changes on cash	(3.1)	(1.9)	2.5
Net (decrease) increase in cash, cash equivalents and restricted cash	(5.8)	13.3	(90.4)
Cash and cash equivalents and restricted cash, beginning of year	128.4	115.1	205.5
Cash and cash equivalents and restricted cash, end of year	122.6	128.4	115.1
Supplemental Non-cash Investing and Financing Activities:
Shares issued in connection with business combination	0.0	0.0	377.6
Additions to property, plant and equipment through accounts payable and accrued liabilities and other liabilities	23.0	21.5	12.5
Accrued deferred financing fees	0.0	0.0	0.7
Dividends payable issued through accounts payable and other accrued liabilities	0.6	0.4	0.3
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	66.9	70.7	87.2
Cash paid for income taxes, net	$ 5.1	$ 8.3	$ 8.1