Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 27, 2022	Sep. 26, 2021
ASSETS
Cash and cash equivalents	$ 15,335	$ 26,112
Accounts receivable and contract assets, net	67,734	65,070
Inventories	7,509	6,297
Prepaid and other current assets	12,984	11,320
Total current assets	103,562	108,799
Associated companies	26,855	26,682
Other	6,217	6,065
Total investments	33,072	32,747
Land and improvements	14,505	16,576
Buildings and improvements	93,010	106,890
Equipment	210,523	228,817
Construction in process	6,401	2,813
Property, Plant and Equipment, Gross, Ending Balance	324,439	355,096
Less accumulated depreciation	246,257	271,830
Property and equipment, net	78,182	83,266
Operating lease right-of-use assets	59,721	65,682
Goodwill	330,204	330,204
Other intangible assets, net	145,568	156,671
Other	13,117	13,632
Total assets	795,401	843,551
Current liabilities:
Current portion of lease liabilities	8,765	8,612
Current maturities of long-term debt	0	6,112
Accounts payable	27,391	20,420
Compensation and other accrued liabilities	41,551	45,076
Unearned revenue	62,085	61,404
Total current liabilities	139,792	141,624
Long-term debt, net of current maturities	462,554	476,504
Operating lease liabilities	51,558	57,683
Pension obligations	951	22,444
Postretirement and postemployment benefit obligations	11,472	11,008
Deferred income taxes	38,397	40,295
Income taxes payable	8,821	9,174
Other	26,487	28,121
Total liabilities	740,032	786,853
Stockholders' equity:
Serial convertible preferred stock, no par value; authorized 500 shares; none issued	0	0
Additional paid-in capital	258,523	258,063
Accumulated deficit	(240,362)	(245,744)
Accumulated other comprehensive income	34,908	42,187
Total stockholders' equity	53,129	54,565
Non-controlling interests	2,240	2,133
Total equity	55,369	56,698
Total liabilities and equity	795,401	843,551
Common Class A [Member]
Stockholders' equity:
Common Stock	60	59
Common Class B [Member]
Stockholders' equity:
Common Stock	0	0
Pension Plan [Member]
ASSETS
Retirement plan assets, net	13,971	35,855
Postretirement Health Coverage [Member]
ASSETS
Retirement plan assets, net	$ 18,004	$ 16,695