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)	Adoption of new accounting standards	Adoption of new accounting standards Retained Earnings (Accumulated Deficit)
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)	$ (3.4)	$ (3.4)
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, 2018		135.9
Balance, beginning at Dec. 31, 2018	5,668.0	$ 7,421.7	84.6	(1,838.3)	$ (3.4)	$ (3.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	72.9
Other comprehensive loss	14.9
Ending balance (shares) at Jun. 29, 2019		136.0
Balance, ending at Jun. 29, 2019	5,726.2	$ 7,395.5	99.5	(1,768.8)
Beginning balance (shares) at Mar. 30, 2019		136.0
Balance, beginning at Mar. 30, 2019	5,700.6	$ 7,409.4	69.0	(1,777.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9.0			9.0
Other comprehensive loss	30.5		30.5
Stock options exercised	0.3	0.3
Compensation for stock options	1.3	1.3
Compensation for restricted stock	14.2	14.2
Cash dividends	(28.9)	(28.9)
Shares withheld for payment of employees' withholding tax liability	(0.8)	$ (0.8)
Ending balance (shares) at Jun. 29, 2019		136.0
Balance, ending at Jun. 29, 2019	5,726.2	$ 7,395.5	99.5	(1,768.8)
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)
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	167.0
Other comprehensive loss	(18.7)
Ending balance (shares) at Jun. 27, 2020		136.5
Balance, ending at Jun. 27, 2020	5,910.4	$ 7,318.2	120.7	(1,528.5)
Beginning balance (shares) at Mar. 28, 2020		136.3
Balance, beginning at Mar. 28, 2020	5,786.4	$ 7,339.6	35.9	(1,589.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	60.6			60.6
Other comprehensive loss	84.8		84.8
Restricted stock plan (shares)		0.3
Compensation for stock options	0.4	$ 0.4
Compensation for restricted stock	13.1	13.1
Cash dividends	(31.0)	$ (31.0)
Shares withheld for payment of employees' withholding tax liability (shares)		(0.1)
Shares withheld for payment of employees' withholding tax liability	(3.9)	$ (3.9)
Ending balance (shares) at Jun. 27, 2020		136.5
Balance, ending at Jun. 27, 2020	$ 5,910.4	$ 7,318.2	$ 120.7	$ (1,528.5)