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 (loss)	63.9			63.9
Other comprehensive income (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 (loss)	165.1
Other comprehensive income (loss)	$ (28.0)
Minority share purchase (shares)	0.0
Ending balance (shares) at Sep. 28, 2019		136.1
Balance, ending at Sep. 28, 2019	$ 5,758.8	$ 7,378.8	56.6	(1,676.6)
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 (loss)	9.0			9.0
Other comprehensive income (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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	92.2			92.2
Other comprehensive income (loss)	(42.9)		(42.9)
Stock options exercised	0.4	$ 0.4
Restricted stock plan (shares)		0.1
Compensation for stock options	0.9	$ 0.9
Compensation for restricted stock	11.9	11.9
Cash dividends	(28.8)	(28.8)
Shares withheld for payment of employees' withholding tax liability	$ (1.1)	$ (1.1)
Minority share purchase (shares)	0.0
Ending balance (shares) at Sep. 28, 2019		136.1
Balance, ending at Sep. 28, 2019	$ 5,758.8	$ 7,378.8	56.6	(1,676.6)
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 (loss)	106.4			106.4
Other comprehensive income (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 (loss)	12.4
Other comprehensive income (loss)	$ 64.3
Minority share purchase (shares)	0.0
Ending balance (shares) at Sep. 26, 2020		136.5
Balance, ending at Sep. 26, 2020	$ 5,820.3	$ 7,299.7	203.7	(1,683.1)
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 (loss)	60.6			60.6
Other comprehensive income (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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(154.6)			(154.6)
Other comprehensive income (loss)	83.0		83.0
Compensation for stock options	0.4	0.4
Compensation for restricted stock	13.8	13.8
Cash dividends	(31.1)	(31.1)
Shares withheld for payment of employees' withholding tax liability	$ (0.5)	$ (0.5)
Minority share purchase (shares)	0.0	0.0
Minority share purchase	$ (1.1)	$ (1.1)
Ending balance (shares) at Sep. 26, 2020		136.5
Balance, ending at Sep. 26, 2020	$ 5,820.3	$ 7,299.7	$ 203.7	$ (1,683.1)