Note 19. Accumulated Other Comprehensive Income (Details 1) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015	Sep. 24, 2014	Sep. 25, 2013
Reclassifications from Accumulated Other Comprehensive Income (Loss)	$ 0	$ (41)	$ 18,341	$ 114,646
Investment gains (including contributions)
Reclassifications from Accumulated Other Comprehensive Income (Loss)	0	0	29,524	182,286
Insurance Premiums and Other
Reclassifications from Accumulated Other Comprehensive Income (Loss)	0	(62)	54	0
Income Tax Expense
Reclassifications from Accumulated Other Comprehensive Income (Loss)	$ 0	$ (21)	$ 11,237	$ 67,640