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Condensed Financial Information of The Registrant - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 30, 2018 USD ($)
Condensed Financial Statements, Captions [Line Items] |
Reclassification From Accumulated Other Comprehensive Loss | $ (0.4)
Parent Company [Member] |
Condensed Financial Statements, Captions [Line Items] |
Adjustment To Equity In Net Deficit Of Subsidiaries | 6.7
Adjustment To Retained Deficit | $ 6.7

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