Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Additional Information (Details)

v3.20.1
Fair Value Measurements - Additional Information (Details) - USD ($)
Dec. 29, 2018
Dec. 30, 2017
Fair Value Disclosures    
Transfers into level 2 from level 1 assets $ 0 $ 0
Transfers into level 1 from level 2 assets $ 0 $ 0