CAPITAL STOCK - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Numerator
Net (Loss) Earnings from Continuing Operations Attributable to Common Shareowners	$ (281.7)	$ 164.3	$ 1,538.3
Add: Contract adjustment payments accretion	0.0	1.2	1.3
Net (Loss) Earnings from Continuing Operations Attributable to Common Shareowners - Diluted	(281.7)	165.5	1,539.6
Net (loss) earnings from discontinued operations	(28.8)	892.4	136.7
Net (Loss) Earnings Attributable to Common Shareowners - Diluted	$ (310.5)	$ 1,057.9	$ 1,676.3
Denominator
Basic weighted-average shares outstanding (in shares)	149,751	148,170	158,760
Dilutive effect of stock contracts and awards (in shares)	0	8,383	6,264
Diluted weighted-average shares outstanding (in shares)	149,751	156,553	165,024
Basic (loss) earnings per share of common stock:
Continuing operation (in dollars per share)	$ (1.88)	$ 1.11	$ 9.69
Discontinued operations (in dollars per share)	(0.19)	6.02	0.86
Total basic (loss) earnings per share of common stock (in dollars per share)	(2.07)	7.13	10.55
Diluted (loss) earnings per share of common stock:
Continuing operations (in dollars per share)	(1.88)	1.06	9.33
Discontinued operations (in dollars per share)	(0.19)	5.70	0.83
Total diluted (loss) earnings per share of common stock (in dollars per share)	$ (2.07)	$ 6.76	$ 10.16