Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 24, 2016
Cash Flows From Operating Activities:
Net income	$ 462.0	$ 317.6
Adjustments to reconcile net cash from operating activities:
Depreciation and amortization	406.0	419.0
Share-based compensation	31.8	22.1
Deferred income taxes	(157.6)	(215.4)
Non-cash impairment charges	0.0	16.9
Gain on divestitures	(419.1)	(2.1)
Other non-cash items	32.4	18.6
Changes in assets and liabilities, net of the effects of acquisitions:
Accounts receivable, net	(52.6)	(17.2)
Inventories	(8.5)	8.0
Accounts payable	(10.7)	4.4
Income taxes	12.5	58.4
Other	(73.7)	52.7
Net cash from operating activities	222.5	683.0
Cash Flows From Investing Activities:
Capital expenditures	(101.6)	(84.5)
Acquisitions and intangibles, net of cash acquired	0.0	(169.5)
Proceeds from divestitures, net of cash	576.9	3.0
Other	(9.9)	4.6
Net cash from investing activities	465.4	(246.4)
Cash Flows From Financing Activities:
Issuance of external debt	40.0	36.3
Repayment of external debt and capital leases	(332.8)	(177.5)
Debt financing costs	(13.0)	0.0
Proceeds from exercise of share options	3.9	4.9
Repurchase of shares	(380.8)	(326.6)
Other	(19.5)	(23.0)
Net cash from financing activities	(702.2)	(485.9)
Effect of currency rate changes on cash	1.6	2.1
Net change in cash, cash equivalents and restricted cash	(12.7)	(47.2)
Cash and Cash Equivalents and Restricted Cash	361.1	588.4
Cash and cash equivalents	330.2	521.9
Restricted Cash and Investments, Current	0.0	0.3
Restricted Cash and Investments, Noncurrent	$ 18.2	$ 19.0