Unaudited Condensed Consolidated Statements of Shareholders’ Equity - USD ($) $ in Millions	Total	Total shareholders’ equity	Share capital	Additional paid-in capital	Accumulated other comprehensive loss	Retained earnings	Non- controlling interests
Beginning Balance at Dec. 29, 2018	$ 2,333.7	$ 1,947.4	$ 2.9	$ 2,416.9	$ (854.3)	$ 381.9	$ 386.3
Increase (Decrease) in Stockholders' Equity
Net income (loss)	631.3	635.2				635.2	(3.9)
Other comprehensive income (loss)	22.5	18.7			18.7		3.8
Total comprehensive income (loss)	653.8	653.9			18.7	635.2	(0.1)
—Issuance of shares	1.6	1.6		1.6
—Share-based compensation	6.7	6.7		6.7
—Change in ownership of a controlled subsidiary	0.0	1.2		1.2			(1.2)
—Shares issued by a subsidiary to a non-controlling interest	1.8						1.8
—Dividends paid to non-controlling interests	(15.0)						(15.0)
Ending Balance at Jun. 29, 2019	2,982.6	2,610.8	2.9	2,426.4	(835.6)	1,017.1	371.8
Beginning Balance at Mar. 30, 2019	2,962.1	2,579.1	2.9	2,420.6	(840.0)	995.6	383.0
Increase (Decrease) in Stockholders' Equity
Net income (loss)	26.5	21.5				21.5	5.0
Other comprehensive income (loss)	0.8	4.4			4.4		(3.6)
Total comprehensive income (loss)	27.3	25.9			4.4	21.5	1.4
—Issuance of shares	0.4	0.4		0.4
—Share-based compensation	4.2	4.2		4.2
—Change in ownership of a controlled subsidiary	0.0	1.2		1.2			(1.2)
—Shares issued by a subsidiary to a non-controlling interest	1.8						1.8
—Dividends paid to non-controlling interests	(13.2)						(13.2)
Ending Balance at Jun. 29, 2019	2,982.6	2,610.8	2.9	2,426.4	(835.6)	1,017.1	371.8
Beginning Balance at Dec. 28, 2019	3,010.7	2,651.0	2.9	2,434.5	(858.4)	1,072.0	359.7
Increase (Decrease) in Stockholders' Equity
Net income (loss)	11.9	13.2				13.2	(1.3)
Other comprehensive income (loss)	(181.9)	(177.8)			(177.8)		(4.1)
Total comprehensive income (loss)	(170.0)	(164.6)			(177.8)	13.2	(5.4)
—Issuance of shares	2.5	2.5		2.5
—Share-based compensation	8.4	8.4		8.4
—Dividends paid to non-controlling interests	(9.9)						(9.9)
Ending Balance at Jun. 27, 2020	2,841.7	2,497.3	2.9	2,445.4	(1,036.2)	1,085.2	344.4
Beginning Balance at Mar. 28, 2020	2,841.4	2,484.8	2.9	2,440.1	(1,065.8)	1,107.6	356.6
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(28.0)	(22.4)				(22.4)	(5.6)
Other comprehensive income (loss)	32.9	29.6			29.6		3.3
Total comprehensive income (loss)	4.9	7.2			29.6	(22.4)	(2.3)
—Issuance of shares	0.6	0.6		0.6
—Share-based compensation	4.7	4.7		4.7
—Dividends paid to non-controlling interests	(9.9)						(9.9)
Ending Balance at Jun. 27, 2020	$ 2,841.7	$ 2,497.3	$ 2.9	$ 2,445.4	$ (1,036.2)	$ 1,085.2	$ 344.4