Condensed Consolidated Statement of Changes in Shareholders' Equity Statement (USD $) In Millions, except Share data	Total	Ordinary Shares	Treasury Shares	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income
Beginning balance at Sep. 26, 2014	$ 4,958.0	$ 23.2	$ (17.5)	$ 5,172.4	$ (285.8)	$ 65.7
Beginning balance, ordinary shares (in shares) at Sep. 26, 2014	116,160,353	116,200,000
Beginning balance, treasury shares (in shares) at Sep. 26, 2014	230,765		200,000
Net income	191.5
Currency translation adjustments	(58.9)					(58.9)
Change in derivatives, net of tax	0.2					0.2
Minimum pension liability, net of tax	0.9					(0.9)
Share options exercised (in shares)		700,000
Share options exercised (in usd)	20.6	0.1		20.5
Vesting of restricted shares (in shares)		300,000
Vesting of restricted shares (in usd)	0	0.1		(0.1)
Excess tax benefit from share-based compensation	20.2			20.2
Share-based compensation	65.9			65.9
Repurchase of shares (in shares)			200,000
Repurchase of shares (in usd)	(12.3)		(12.3)
Ending balance at Mar. 27, 2015	$ 5,186.1	$ 23.4	$ (29.8)	$ 5,278.9	$ (94.3)	$ 7.9
Ending balance, ordinary shares (in shares) at Mar. 27, 2015	117,226,478	117,200,000
Ending balance, treasury shares (in shares) at Mar. 27, 2015	365,187		400,000