Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Cash Flows From (For) Operating Activities
Net income	$ 80.8	$ 71.6
Adjustments to derive cash flows
Depreciation and amortization	109.5	109.4
Share-based compensation	12.7	6.1
Impairment charges	0.0	12.2
Change in financial assets	9.6	(17.1)
Loss on extinguishment of debt	0.5	0.0
Restructuring charges	1.5	38.7
Deferred income taxes	(7.2)	(46.0)
Amortization of debt premium	(2.1)	(6.4)
Other non-cash adjustments, net	12.1	(1.1)
Subtotal	217.4	167.4
Increase (decrease) in cash due to:
Accounts receivable	2.6	50.1
Inventories	(43.7)	0.5
Accounts payable	57.5	2.5
Payroll and related taxes	(38.9)	(10.1)
Accrued customer programs	17.3	(32.7)
Accrued liabilities	(24.0)	2.3
Accrued income taxes	6.4	41.4
Other, net	(22.2)	(26.9)
Subtotal	(45.0)	27.1
Net cash from operating activities	172.4	194.5
Cash Flows From (For) Investing Activities
Proceeds from royalty rights	10.0	85.3
Additions to property, plant and equipment	(13.4)	(22.0)
Net proceeds from sale of business and other assets	1.3	25.3
Proceeds from sale of the Tysabri® financial asset	0.0	2,200.0
Other investing, net	0.0	(0.8)
Net cash from (for) investing activities	(2.1)	2,287.8
Cash Flows From (For) Financing Activities
Issuances of long-term debt	431.0	0.0
Payments on long-term debt	(444.5)	(13.6)
Borrowings (repayments) of revolving credit agreements and other financing, net	(6.2)	0.3
Deferred financing fees	(2.4)	(0.4)
Repurchase of ordinary shares	(108.1)	0.0
Cash dividends	(26.7)	(23.0)
Other financing, net	(5.7)	(0.5)
Net cash (for) financing activities	(162.6)	(37.2)
Effect of exchange rate changes on cash and cash equivalents	0.9	10.4
Net increase (decrease) in cash and cash equivalents	8.6	2,455.5
Cash and cash equivalents, beginning of period	678.7	622.3
Cash and cash equivalents, end of period	$ 687.3	$ 3,077.8