Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2019	Mar. 30, 2018
Cash Flows From Operating Activities:
Net income (loss)	$ 154.9	$ (18.0)
Adjustments to reconcile net cash from operating activities:
Depreciation and amortization	247.6	198.6
Share-based compensation	10.0	4.6
Deferred income taxes	(243.2)	(47.8)
Other non-cash items	2.6	0.5
Changes in assets and liabilities, net of the effects of acquisitions:
Accounts receivable, net	48.7	(22.4)
Inventories	(0.7)	(7.8)
Accounts payable	(7.1)	19.1
Income taxes	19.8	(2.9)
Other	(68.1)	(106.1)
Net cash from operating activities	164.5	17.8
Cash Flows From Investing Activities:
Capital expenditures	(39.8)	(34.3)
Acquisitions, net of cash	0.0	(699.9)
Proceeds from divestitures, net of cash	0.0	298.3
Other	0.4	8.3
Net cash from investing activities	(39.4)	(427.6)
Cash Flows From Financing Activities:
Issuance of external debt	200.0	626.8
Repayment of external debt	(448.7)	(902.2)
Debt financing costs	0.0	(12.0)
Proceeds from exercise of share options	0.3	0.0
Repurchase of shares	(0.5)	(46.6)
Other	0.5	(4.8)
Net cash from financing activities	(248.4)	(338.8)
Effect of currency rate changes on cash	0.3	(0.3)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(123.0)	(748.9)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	367.5	1,279.1
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	244.5	530.2
Cash and cash equivalents, end of period	225.8	511.9
Restricted Cash and Investments, Noncurrent	18.7	18.3
Retained Earnings (Deficit)
Cash Flows From Operating Activities:
Net income (loss)	$ 154.9	$ (18.0)