Long-term Employee Benefits - Fair Value Measurement (Details) - USD ($) $ in Millions	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Level 3
Defined Benefit Plan Disclosure [Line Items]
Total	$ 6.1	$ 5.7	$ 6.1
Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Total	19.3	20.4
Fair Value, Recurring \| U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	2.2	2.1
Fair Value, Recurring \| Japan equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	3.0	3.6
Fair Value, Recurring \| Other international equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	0.9	1.5
Fair Value, Recurring \| U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	0.5	0.4
Fair Value, Recurring \| Japan government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	1.2	0.5
Fair Value, Recurring \| Other international government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	1.8	1.5
Fair Value, Recurring \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total	3.6	5.1
Fair Value, Recurring \| Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Total	6.1	5.7
Fair Value, Recurring \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Total	13.2	14.7
Fair Value, Recurring \| Level 1 \| U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	2.2	2.1
Fair Value, Recurring \| Level 1 \| Japan equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	3.0	3.6
Fair Value, Recurring \| Level 1 \| Other international equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	0.9	1.5
Fair Value, Recurring \| Level 1 \| U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	0.5	0.4
Fair Value, Recurring \| Level 1 \| Japan government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	1.2	0.5
Fair Value, Recurring \| Level 1 \| Other international government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	1.8	1.5
Fair Value, Recurring \| Level 1 \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total	3.6	5.1
Fair Value, Recurring \| Level 1 \| Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2 \| U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2 \| Japan equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2 \| Other international equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2 \| U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2 \| Japan government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2 \| Other international government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2 \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 2 \| Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Total	6.1	5.7
Fair Value, Recurring \| Level 3 \| U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 3 \| Japan equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 3 \| Other international equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 3 \| U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 3 \| Japan government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 3 \| Other international government bonds
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 3 \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total	0.0	0.0
Fair Value, Recurring \| Level 3 \| Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Total	$ 6.1	$ 5.7