Condensed Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions	Total	Ordinary shares	Treasury shares	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss
Beginning Balance at Dec. 31, 2014	$ 4,663.8	$ 2.0	$ (1,251.9)	$ 4,250.0	$ 2,044.0	$ (380.3)
Beginning Balance (in shares) at Dec. 31, 2014		202.4	(19.9)
Net income	376.9				376.9
Other Comprehensive Income (Loss), Net of Tax	(240.0)					240.0
Dividends declared	(114.2)			(1.5)	(115.7)
Share repurchase	(200.0)		$ 0.0	(200.0)
Treasury Stock, Shares, Retired		(19.1)	(19.1)
Treasury Stock, Retired, Cost Method, Amount		$ (0.2)	$ (1,210.9)	(1,210.7)
Share repurchase (in shares)		(3.1)	0.0
Exercise of options, net of shares tendered for payment	(26.7)	$ 0.0	$ (34.6)	(7.9)
Exercise of options, net of shares tendered for payment (in shares)		0.1	0.7
Issuance of restricted shares, net of cancellations	0.0	$ 0.0	$ 9.5	(9.5)
Issuance of restricted shares, net of cancellations (in shares)		0.0	0.2
Shares surrendered by employees to pay taxes	(4.8)	$ 0.0	$ (3.1)	(1.7)
Shares surrendered by employees to pay taxes (in shares)		0.0	(0.1)
Share-based compensation	27.5			27.5
Ending Balance (in shares) at Sep. 26, 2015		180.3	0.0
Ending Balance at Sep. 26, 2015	4,535.9	$ 1.8	$ 0.0	2,849.2	2,305.2	(620.3)
Beginning Balance at Dec. 31, 2015	4,008.8	$ 1.8	$ 0.0	2,860.3	1,791.7	(645.0)
Beginning Balance (in shares) at Dec. 31, 2015		180.5	0.0
Net income	391.2				391.2
Other Comprehensive Income (Loss), Net of Tax	(28.5)					(28.5)
Dividends declared	(122.0)			0.0	(122.0)
Exercise of options, net of shares tendered for payment	(30.7)		$ 0.0	(30.7)
Exercise of options, net of shares tendered for payment (in shares)		0.9	0.0
Issuance of restricted shares, net of cancellations			$ 0.0	0.0
Issuance of restricted shares, net of cancellations (in shares)		0.5	0.0
Shares surrendered by employees to pay taxes	(10.6)		$ 0.0	(10.6)
Shares surrendered by employees to pay taxes (in shares)		(0.2)	0.0
Share-based compensation	28.7			28.7
Ending Balance (in shares) at Sep. 30, 2016		181.7	0.0
Ending Balance at Sep. 30, 2016	$ 4,355.3	$ 1.8	$ 0.0	$ 2,909.1	$ 2,060.9	$ (616.5)