Fair Value Measurement - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 24, 2017 |
Sep. 25, 2016 |
Sep. 24, 2017 |
Sep. 25, 2016 |
|
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||||
Impairment charge | $ 1.5 | $ 1.9 | $ 5.8 | $ 2.9 |
Hurricane Harvey [Member] | ||||
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||||
Impairment charge | 0.7 | 0.7 | ||
Insurance recoveries | $ 0.7 | $ 0.7 |