CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2019	Dec. 28, 2018	Dec. 29, 2017
Operating activities:
Net income (loss)	$ 69.3	$ (15.9)	$ 119.2
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	97.9	100.5	79.9
Amortization of debt issuance costs	1.0	0.7	0.5
Share-based compensation expense	8.4	11.5	12.1
Goodwill and trademarks impairment charges	0.3	11.3	0.9
Asset impairment charges, net	8.1	35.1	3.7
Change in uncertain tax positions	(0.8)	0.0	0.7
(Gain) loss on disposal of property, plant and equipment, net	(18.6)	(7.1)	3.0
Equity loss of unconsolidated companies	0.0	0.0	0.1
Deferred income taxes	5.2	3.6	1.6
Foreign currency translation adjustment	6.2	(5.7)	9.6
Changes in operating assets and liabilities, net of acquisitions:
Receivables	22.1	(2.4)	(16.9)
Inventories	8.1	(2.8)	(49.4)
Prepaid expenses and other current assets	8.0	(7.6)	9.8
Accounts payable and accrued expenses	(53.3)	131.3	27.0
Other noncurrent assets and liabilities	7.2	(5.9)	(7.6)
Net cash provided by operating activities	169.1	246.6	194.2
Investing activities:
Capital expenditures	(122.3)	(150.5)	(138.5)
Investments in unconsolidated companies	0.0	4.2	0.0
Proceeds from sales of property, plant and equipment	69.4	17.4	4.7
Proceeds from sale of investment	0.7	0.0	0.0
Purchase of businesses, net of cash aquired	0.0	(357.5)	0.0
Net cash used in investing activities	(52.2)	(494.8)	(133.8)
Financing activities:
Proceeds from long-term debt	736.4	1,103.1	800.2
Payments on long-term debt	(814.1)	(798.6)	(673.3)
Distributions to noncontrolling interests, net	(4.8)	(2.7)	(4.6)
Proceeds from stock options exercised	1.1	0.8	1.6
Repurchase and retirement of ordinary shares	(17.9)	(29.4)	(142.0)
Share-based awards settled in cash for taxes	(2.9)	(2.2)	(5.6)
Dividends paid	(6.7)	(29.0)	(30.1)
Net cash (used) provided by financing activities	(108.9)	242.0	(53.8)
Effect of exchange rate changes on cash	4.0	2.4	(1.6)
Net increase (decrease) in cash and cash equivalents	12.0	(3.8)	5.0
Cash and cash equivalents, beginning	21.3	25.1	20.1
Cash and cash equivalents, ending	33.3	21.3	25.1
Supplemental cash flow information:
Cash paid for interest	23.2	19.3	5.8
Cash paid for income taxes	9.8	17.0	12.3
Non-cash financing and investing activities:
Right-of-use assets obtained in exchange for new operating lease obligations	40.0	0.0	0.0
Retirement of ordinary shares	17.9	29.4	142.0
Purchases of assets under financing lease obligations	0.4	0.2	0.2
Dividends on restricted stock units	(0.3)	(0.3)	(0.7)
Sale of an investment	$ 0.6	$ 0.0	$ 0.0