Debt: Notes Payable (Details) - Notes Payable, Other Payables - Prudential Investment Management, Inc	9 Months Ended
	Sep. 24, 2016 USD ($)
Notes Payable
Notes Payable, Carrying Value	$ 22,500,000
Notes Payable, Face Value	$ 25,000,000
Term of Notes Payable	10 years
Interest	5.50%
Quarterly principal payment, first five year	$ 500,000
Quarterly principal payment, thereafter	750,000
Minimum prepayment	$ 1,000,000