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Income Taxes - Federal and Foreign Tax Operating Loss Carry-Forwards Expiring (Detail)
$ in Millions
Dec. 28, 2018
USD ($)
Income Tax Disclosure [Abstract]  
2019 $ 3.9
2020 17.8
2021 26.2
2022 6.4
2023 and beyond 16.0
No expiration 986.9
Federal and foreign tax operating loss carry-forwards $ 1,057.2