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Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
Jun. 30, 2019
Sep. 30, 2018
Current assets:    
Cash and cash equivalents $ 13,516,000 $ 5,380,000
Accounts receivable and contract assets, net 47,772,000 43,711,000
Inventories 3,258,000 5,684,000
Other 6,706,000 4,567,000
Total current assets 71,252,000 59,342,000
Investments:    
Associated companies 28,926,000 29,216,000
Other 10,905,000 10,958,000
Total investments 39,831,000 40,174,000
Property and equipment:    
Land and improvements 16,947,000 17,432,000
Buildings and improvements 149,494,000 150,376,000
Equipment 271,121,000 276,332,000
Construction in process 2,771,000 1,710,000
440,333,000 445,850,000
Less accumulated depreciation 354,784,000 353,522,000
Property and equipment, net 85,549,000 92,328,000
Goodwill 249,727,000 246,176,000
Other intangible assets, net 110,806,000 119,819,000
Medical plan assets, net 15,766,000 16,157,000
Other 1,470,000 1,415,000
Total assets 574,401,000 575,411,000
Current liabilities:    
Current maturities of long-term debt 3,931,000 7,027,000
Accounts payable 13,747,000 12,747,000
Compensation and other accrued liabilities 17,492,000 19,641,000
Accrued interest 11,010,000 2,031,000
Unearned revenue 22,970,000 23,895,000
Total current liabilities 69,150,000 65,341,000
Long-term debt, net of current maturities 442,026,000 460,777,000
Pension obligations 24,951,000 26,745,000
Postretirement and postemployment benefit obligations 2,526,000 2,580,000
Deferred income taxes 39,238,000 39,108,000
Income taxes payable 7,430,000 6,559,000
Warrants and other 10,620,000 10,561,000
Total liabilities 595,941,000 611,671,000
Stockholders' equity (deficit):    
Serial convertible preferred stock, no par value; authorized 500 shares; none issued
Additional paid-in capital 254,727,000 253,511,000
Accumulated deficit (266,242,000) (279,691,000)
Accumulated other comprehensive loss (12,112,000) (11,746,000)
Total stockholders' deficit (23,049,000) (37,354,000)
Non-controlling interests 1,509,000 1,094,000
Total deficit (21,540,000) (36,260,000)
Total liabilities and deficit 574,401,000 575,411,000
Common Class A [Member]    
Stockholders' equity (deficit):    
Common Stock 578,000 572,000
Common Class B [Member]    
Stockholders' equity (deficit):    
Common Stock