Retirement and Other Employee Benefits - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Jan. 01, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net gains occurring during the year	$ 3.1	$ 2.4
Retirement benefits	82.4	90.0
Foreign Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Retirement benefits	18.0	19.3
Central America
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected future benefit payments, thereafter	0.4
Defined Benefit Plan, Expected Future Benefit Payment, Year One through Five	2.0
Kenya
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected future benefit payments, thereafter	4.0
Pension plans | Foreign Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net gains occurring during the year	1.8	1.1
Pension plans | United States
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan amendment due to GMP equalization	0.0	0.0
Net gains occurring during the year	0.2	(1.3)
Net periodic pension costs	0.1	0.0	$ 0.0
Expected future benefit payments, thereafter	4.3
Pension plans | United Kingdom
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan amendment due to GMP equalization	0.0	0.0
Net gains occurring during the year	9.1	(8.7)
Net periodic pension costs	(0.7)	(0.3)	(0.3)
Expected future benefit payments, thereafter	11.3
Expected contributions in next fiscal year	1.7
Post-retirement plans | Foreign Plan | Former Executives
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Retirement benefits	1.3	1.8
Post-retirement plans | United States
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined contribution plan expense	1.2	1.2	1.4
Post-retirement plans | Central America
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan amendment due to GMP equalization	0.0	0.0
Net gains occurring during the year	(3.7)	(6.6)
Net periodic pension costs	9.7	10.0	11.2
Expected future benefit payments, thereafter	39.9
Post-retirement plans | Kenya
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net gains occurring during the year	0.3
Net periodic pension costs	2.2	$ 1.4	$ 1.5
Accrued benefits	5.4
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment	0.9
Supplemental unemployment benefits | Central America
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accrued benefits	2.2
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax	$ 0.4
Minimum | Equity Securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan asset target allocation percentage	50.00%
Minimum | Fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan asset target allocation percentage	30.00%
Minimum | Post-retirement plans | Kenya
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accrued benefits	$ 8.8
Maximum | Equity Securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan asset target allocation percentage	70.00%
Maximum | Fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan asset target allocation percentage	50.00%