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

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

v3.7.0.1
SCHEDULE I - Parent Company Information - Condensed Statements of Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 30, 2017
Mar. 31, 2016
Dec. 29, 2016
Dec. 31, 2015
Dec. 25, 2014
Condensed Financial Statements, Captions [Line Items]          
Net income $ 11,128 $ 7,101 $ 43,039 $ 26,807 $ 15,098
Other comprehensive loss-change in fair value of hedge instruments, net of tax (282) 0 276 43 14
Total comprehensive income $ 10,846 $ 7,101 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