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

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

v3.7.0.1
SCHEDULE I - Parent Company Information - Condensed Statements of 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]          
Income before income taxes $ 17,258 $ 11,476 $ 54,513 $ 43,006 $ 24,732
Benefit for income taxes 6,130 4,375 11,474 16,199 9,634
Net income $ 11,128 $ 7,101 43,039 26,807 15,098
Parent Company [Member]          
Condensed Financial Statements, Captions [Line Items]          
Net income from subsidiaries     43,039 26,807 15,098
Income before income taxes     43,039 26,807 15,098
Benefit for income taxes     0 0 0
Net income     $ 43,039 $ 26,807 $ 15,098