Retirement Plans - Schedule of Fair Values of Company's International Plan Assets (Detail) - USD ($) $ in Millions	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	$ 12.7	$ 13.7	$ 26.7
Level 1
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	3.5	3.9
Level 1 | Non-U.S. equity securities
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	1.6	1.6
Level 1 | Other
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 1 | Non-U.S. bonds
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	1.9	2.3
Level 1 | Insurance contract
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 1 | Real estate
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 2
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	2.4	2.7
Level 2 | Non-U.S. equity securities
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 2 | Other
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.4
Level 2 | Non-U.S. bonds
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 2 | Insurance contract
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	1.8	1.9
Level 2 | Real estate
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.6	0.4
Level 3
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 3 | Non-U.S. equity securities
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 3 | Other
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 3 | Non-U.S. bonds
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 3 | Insurance contract
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	0.0	0.0
Level 3 | Real estate
Schedule of Expected Future Pension Benefit Payment [Line Items]
Fair values of pension plan assets	$ 0.0	$ 0.0