Fair Value Measurement - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 29, 2020	Mar. 31, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment charge	$ 5.9	$ 0.0
COVID 19 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment charge	$ 5.9
Impact of the COVID 19 pandamic to thr global economy	Due to the recent impact of the COVID-19 pandemic to the global economy, including but not limited to, the volatility of the Company's stock price as well as that of its competitors, declining sales at the Company's restaurants and the challenging environment for the restaurant industry generally, the Company determined that there were indicators of potential impairment of its goodwill and indefinite-lived intangible assets during the thirteen weeks ended March 29, 2020. As such, the Company performed an impairment assessment for both goodwill and indefinite lived intangible assets and concluded that the fair value of these assets exceeded their carrying values. Accordingly, the Company did not record any impairment to its goodwill or indefinite-lived intangible assets during the thirteen weeks ended March 29, 2020. The ultimate severity and longevity of the COVID-19 pandemic is unknown, and therefore, it is possible that impairments could be identified in future periods, and such amounts could be material.

$ 5.9

$ 0.0

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Impact of the COVID 19 pandamic to thr global economy

Due to the recent impact of the COVID-19 pandemic to the global economy, including but not limited to, the volatility of the Company's stock price as well as that of its competitors, declining sales at the Company's restaurants and the challenging environment for the restaurant industry generally, the Company determined that there were indicators of potential impairment of its goodwill and indefinite-lived intangible assets during the thirteen weeks ended March 29, 2020. As such, the Company performed an impairment assessment for both goodwill and indefinite lived intangible assets and concluded that the fair value of these assets exceeded their carrying values. Accordingly, the Company did not record any impairment to its goodwill or indefinite-lived intangible assets during the thirteen weeks ended March 29, 2020. The ultimate severity and longevity of the COVID-19 pandemic is unknown, and therefore, it is possible that impairments could be identified in future periods, and such amounts could be material.