Note 12. Schedule of Components of Income Tax Expense (Details) - Consolidated - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Sep. 24, 2014	Sep. 25, 2013
Current:
Federal	$ 752	$ 2,352	$ 2,866	$ 571	$ 506
State	889	475	2,022	477	1,748
Deferred	52,909	6,623	(26,476)	9,164	72,035
Total income taxes	54,550	9,450	(21,588)	10,212	74,289
Reconciliation of effective income tax:
Tax at U.S. statutory rates (35%)	50,960	9,940	(13,100)	13,656	75,762
State income taxes, net of federal benefit	4,186	840	(1,973)	1,369	5,043
Federal income tax credits	(995)	(960)	(4,837)	(4,298)	(4,249)
Tax attributed to noncontrolling interests	0	0	0	0	(666)
Dividends received deduction	(341)	(880)	(6,142)	(3,650)	(2,647)
Valuation allowance	499	180	919	985	0
Foreign tax rate differences	606	371	3,180	1,993	0
Other	(365)	(41)	365	157	1,046
Total income taxes	$ 54,550	$ 9,450	$ (21,588)	$ 10,212	$ 74,289