Financial Statements of Parent Company Guarantor - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 27, 2015	Sep. 26, 2015	Sep. 27, 2014
Operating activities
Net cash provided by (used for) operating activities		$ 395.9	$ 683.4
Investing activities
Capital expenditures		(100.6)	(92.5)
Proceeds from sale of property and equipment		24.8	4.1
Payments to Acquire Businesses, Net of Cash Acquired	$ (96.0)	(1,913.0)	0.0
Payments for (Proceeds from) Other Investing Activities		(0.8)	0.9
Net Cash Provided by (Used in) Investing Activities, Continuing Operations		(1,989.6)	(87.5)
Cash Provided by (Used in) Investing Activities, Discontinued Operations		59.0	0.0
Net cash provided by (used for) investing activities		(1,930.6)	(87.5)
Financing activities
Net repayments of short-term borrowings		(2.0)	0.3
Net receipts of commercial paper and revolving long-term debt		276.5	426.2
Proceeds from Issuance of Long-term Debt		1,714.8	0.0
Repayments of long-term debt		(4.6)	(13.2)
Payments of Debt Issuance Costs		26.8	0.0
Excess tax benefits from share-based compensation		6.0	10.0
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options		21.9	30.3
Repurchases of ordinary shares		(200.0)	(850.0)
Dividends paid		(173.3)	(156.2)
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		0.0	(134.7)
Net cash provided by (used for) financing activities		1,612.5	(687.3)
Effect of exchange rate changes on cash and cash equivalents		(43.3)	(8.0)
Change in cash and cash equivalents		34.5	(99.4)
Cash and cash equivalents, beginning of period		110.4	256.0
Cash and cash equivalents, end of period		144.9	156.6
Parent Company Guarantor
Operating activities
Net cash provided by (used for) operating activities		421.3	99.4
Investing activities
Payments to Acquire Businesses, Net of Cash Acquired		0.0
Net cash provided by (used for) investing activities			0.0
Financing activities
Net change in advances to subsidiaries		(48.0)	455.6
Repurchases of ordinary shares		200.0	(399.3)
Dividends paid		(173.3)	(156.2)
Net cash provided by (used for) financing activities		(421.3)	(99.9)
Change in cash and cash equivalents		0.0	(0.5)
Cash and cash equivalents, beginning of period		0.0	0.5
Cash and cash equivalents, end of period		0.0	0.0
Guarantor Subsidiary [Member]
Operating activities
Net cash provided by (used for) operating activities		393.3	94.2
Financing activities
Net change in advances to subsidiaries		(393.3)	(94.2)
Net cash provided by (used for) financing activities		(393.3)	(94.2)
Cash and cash equivalents, end of period		0.0
Subsidiary Issuer
Operating activities
Net cash provided by (used for) operating activities		406.1	88.1
Investing activities
Intercompany Loan Activity, Net		1,657.8
Net Cash Provided by (Used in) Investing Activities, Continuing Operations		1,657.8
Net cash provided by (used for) investing activities		1,657.8
Financing activities
Net receipts of commercial paper and revolving long-term debt		274.9	416.7
Proceeds from Issuance of Long-term Debt		1,714.8
Payments of Debt Issuance Costs		26.8
Net change in advances to subsidiaries		(4,021.2)	(551.6)
Net cash provided by (used for) financing activities		(2,058.3)	(134.9)
Effect of exchange rate changes on cash and cash equivalents		(5.5)
Change in cash and cash equivalents		0.1	(46.8)
Cash and cash equivalents, beginning of period		0.1	47.0
Cash and cash equivalents, end of period		0.2	0.2
Non-Guarantor Subsidiaries
Operating activities
Net cash provided by (used for) operating activities		408.1	718.8
Investing activities
Capital expenditures		(100.6)	(92.5)
Proceeds from sale of property and equipment		24.8	4.1
Payments to Acquire Businesses, Net of Cash Acquired		(1,913.0)
Intercompany Loan Activity, Net		(149.8)
Payments for (Proceeds from) Other Investing Activities		(0.8)	0.9
Net Cash Provided by (Used in) Investing Activities, Continuing Operations		(2,139.4)
Cash Provided by (Used in) Investing Activities, Discontinued Operations		59.0
Net cash provided by (used for) investing activities		(2,080.4)	(87.5)
Financing activities
Net repayments of short-term borrowings		(2.0)	0.3
Net receipts of commercial paper and revolving long-term debt		1.6	9.5
Repayments of long-term debt		(4.6)	(13.2)
Payments of Debt Issuance Costs		0.0
Excess tax benefits from share-based compensation		6.0	10.0
Net change in advances to subsidiaries		1,721.6	(126.9)
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options		21.9	30.3
Repurchases of ordinary shares		0.0	(450.7)
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			(134.7)
Net cash provided by (used for) financing activities		1,744.5	(675.4)
Effect of exchange rate changes on cash and cash equivalents		(37.8)	(8.0)
Change in cash and cash equivalents		34.4	(52.1)
Cash and cash equivalents, beginning of period		110.3	208.5
Cash and cash equivalents, end of period		144.7	156.4
Eliminations
Operating activities
Net cash provided by (used for) operating activities		(1,232.9)	(317.1)
Investing activities
Intercompany Loan Activity, Net		(1,508.0)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations		(1,508.0)
Net cash provided by (used for) investing activities		(1,508.0)
Financing activities
Net change in advances to subsidiaries		2,740.9	317.1
Net cash provided by (used for) financing activities		$ 2,740.9	$ 317.1