Condensed Consolidated Statements of Shareholders' Equity Statement - USD ($) shares in Millions, $ in Millions	Total	Ordinary Shares Issued	Accumulated Other Comprehensive Income	Retained Earnings (Accumulated Deficit)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of new accounting standards | Adoption of new accounting standards	$ (3.4)		$ 0.0	$ (3.4)
Beginning balance (shares) at Dec. 31, 2018		135.9
Balance, beginning at Dec. 31, 2018	5,668.0	$ 7,421.7	84.6	(1,838.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	63.9			63.9
Other comprehensive loss	(15.6)		(15.6)
Restricted stock plan (shares)		0.2
Compensation for stock options	1.8	$ 1.8
Compensation for restricted stock	14.2	14.2
Cash dividends	(25.9)	$ (25.9)
Shares withheld for payment of employees' withholding tax liability (shares)		(0.1)
Shares withheld for payment of employees' withholding tax liability	(2.4)	$ (2.4)
Ending balance (shares) at Mar. 30, 2019		136.0
Balance, ending at Mar. 30, 2019	5,700.6	$ 7,409.4	69.0	(1,777.8)
Beginning balance (shares) at Dec. 31, 2019		136.1
Balance, beginning at Dec. 31, 2019	5,803.8	$ 7,359.9	139.4	(1,695.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	106.4			106.4
Other comprehensive loss	(103.5)		(103.5)
Restricted stock plan (shares)		0.3
Compensation for stock options	0.8	$ 0.8
Compensation for restricted stock	15.4	15.4
Cash dividends	(30.9)	$ (30.9)
Shares withheld for payment of employees' withholding tax liability (shares)		(0.1)
Shares withheld for payment of employees' withholding tax liability	(5.6)	$ (5.6)
Ending balance (shares) at Mar. 28, 2020		136.3
Balance, ending at Mar. 28, 2020	$ 5,786.4	$ 7,339.6	$ 35.9	$ (1,589.1)