General form of registration statement for all companies including face-amount certificate companies

SCHEDULE I - Parent Company Information - Condensed Statements of Comprehensive Income (Details)

v3.8.0.1
SCHEDULE I - Parent Company Information - Condensed Statements of Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 28, 2017
Sep. 29, 2016
Sep. 28, 2017
Sep. 29, 2016
Dec. 29, 2016
Dec. 31, 2015
Dec. 25, 2014
Condensed Financial Statements, Captions [Line Items]              
Net income $ 23,255 $ 14,219 $ 54,812 $ 26,332 $ 43,039 $ 26,807 $ 15,098
Other comprehensive loss-change in fair value of hedge instruments, net of tax (121) 44 (887) 67 276 43 14
Total comprehensive income $ 23,134 $ 14,263 $ 53,925 $ 26,399 43,315 26,850 15,112
Parent Company [Member]              
Condensed Financial Statements, Captions [Line Items]              
Net income         43,039 26,807 15,098
Other comprehensive loss-change in fair value of hedge instruments, net of tax         276 43 14
Total comprehensive income         $ 43,315 $ 26,850 $ 15,112