Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 26, 2022	Sep. 26, 2021	Sep. 27, 2020
ASSETS
Cash and cash equivalents	$ 15,661	$ 26,112
Accounts receivable and contract assets, net	74,911	65,070
Inventories	8,661	6,297
Prepaid and other current assets	13,482	11,320
Total current assets	112,715	108,799
Associated companies	27,052	26,682
Other	6,075	6,065
Total investments	33,127	32,747
Land and improvements	14,505	16,576
Buildings and improvements	93,888	106,890
Equipment	212,908	228,817
Construction in process	3,998	2,813
Property, Plant and Equipment, Gross, Ending Balance	325,299	355,096
Less accumulated depreciation	249,519	271,830
Property and equipment, net	75,780	83,266
Operating lease right-of-use assets	58,193	65,682
Goodwill	329,504	330,204	$ 330,204
Other intangible assets, net	140,231	156,671
Other	10,515	13,632
Total assets	794,836	843,551
Current liabilities:
Current portion of lease liabilities	7,811	8,612
Current maturities of long-term debt	0	6,112
Accounts payable	34,656	20,420
Compensation and other accrued liabilities	43,316	45,076
Unearned revenue	56,749	61,404
Total current liabilities	142,532	141,624
Long-term debt, net of current maturities	462,554	476,504
Operating lease liabilities	49,918	57,683
Pension obligations	928	22,444
Postretirement and postemployment benefit obligations	11,404	11,008
Deferred income taxes	37,295	40,295
Income taxes payable	9,543	9,174
Other	26,047	28,121
Total liabilities	740,221	786,853
Stockholders' equity:
Serial convertible preferred stock, no par value; authorized 500 shares; none issued	0	0
Additional paid-in capital	259,221	258,063
Accumulated deficit	(240,631)	(245,744)
Accumulated other comprehensive income	33,741	42,187
Total stockholders' equity	52,391	54,565	$ (31,564)
Non-controlling interests	2,224	2,133
Total equity	54,615	56,698
Total liabilities and equity	794,836	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	16,571	35,855
Retirement plan assets, net	16,571	35,855
Postretirement Health Coverage [Member]
ASSETS
Retirement plan assets, net	18,200	16,695
Retirement plan assets, net	$ 18,200	$ 16,695