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	261.7				261.7
Other Comprehensive Income (Loss), Net of Tax	(153.5)					153.5
Dividends declared	(56.6)			(1.5)	(58.1)
Share repurchase	(200.0)		$ 0.0	(200.0)
Share repurchase (in shares)		(3.1)	0.0
Exercise of options, net of shares tendered for payment	(20.9)	$ 0.0	$ (27.7)	(6.8)
Exercise of options, net of shares tendered for payment (in shares)		0.0	0.5
Issuance of restricted shares, net of cancellations	0.0	$ 0.0	$ 8.5	(8.5)
Issuance of restricted shares, net of cancellations (in shares)		0.0	0.2
Shares surrendered by employees to pay taxes	(3.6)	$ 0.0	$ (2.7)	(0.9)
Shares surrendered by employees to pay taxes (in shares)		0.0	(0.1)
Share-based compensation	19.4			19.4
Ending Balance (in shares) at Jun. 27, 2015		199.3	(19.3)
Ending Balance at Jun. 27, 2015	4,552.1	$ 2.0	$ (1,218.4)	4,054.7	2,247.6	(533.8)
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)
Treasury Stock, Shares, Retired	19.1
Treasury Stock, Retired, Cost Method, Amount	$ 1,200.0
Ending Balance (in shares) at Dec. 31, 2015		180.5	0.0
Ending Balance at Dec. 31, 2015	4,008.8	$ 1.8	$ 0.0	2,860.3	1,791.7	(645.0)
Net income	250.2				250.2
Other Comprehensive Income (Loss), Net of Tax	1.6					1.6
Dividends declared	(121.7)			0.0	(121.7)
Exercise of options, net of shares tendered for payment	(13.8)		$ 0.0	(13.8)
Exercise of options, net of shares tendered for payment (in shares)		0.4	0.0
Issuance of restricted shares, net of cancellations			$ 0.0	0.0
Issuance of restricted shares, net of cancellations (in shares)		0.3	0.0
Shares surrendered by employees to pay taxes	(5.5)		$ 0.0	(5.5)
Shares surrendered by employees to pay taxes (in shares)		(0.1)	0.0
Share-based compensation	22.3			22.3
Ending Balance (in shares) at Jun. 30, 2016		181.1	0.0
Ending Balance at Jun. 30, 2016	$ 4,166.3	$ 1.8	$ 0.0	$ 2,890.9	$ 1,920.2	$ (646.6)