CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Sep. 30, 2017
Current assets:
Cash and cash equivalents	$ 56,419	$ 60,143
Restricted cash	14,710	8,434
Accounts receivable:
Long-term contracts	294,168	354,476
Allowance for doubtful accounts	(863)	(436)
Accounts receivable - net	293,305	354,040
Recoverable income taxes	2,013	5,360
Inventories	105,747	87,715
Other current assets	40,683	29,951
Current assets of discontinued operations	175,978	75,900
Total current assets	688,855	621,543
Long-term contract receivables	16,568	17,457
Long-term capitalized contract costs	61,574	56,471
Property, plant and equipment, net	116,135	113,220
Deferred income taxes	8,238	7,385
Goodwill	330,538	321,562
Purchased intangibles, net	82,157	89,858
Other assets	8,910	10,515
Noncurrent assets of discontinued operations		98,274
Total assets	1,312,975	1,336,285
Current liabilities:
Short-term borrowings	77,000	55,000
Trade accounts payable	82,565	88,521
Customer advances	70,731	56,132
Accrued compensation and other current liabilities	93,212	130,126
Income taxes payable	3,752	9,838
Current liabilities of discontinued operations	44,810	36,862
Total current liabilities	372,070	376,479
Long-term debt	199,777	199,761
Other long-term liabilities	61,553	70,414
Shareholders' equity:
Common stock	40,079	37,850
Retained earnings	779,012	794,485
Accumulated other comprehensive loss	(103,438)	(106,626)
Treasury stock at cost	(36,078)	(36,078)
Total shareholders' equity	679,575	689,631
Total liabilities and shareholders' equity	$ 1,312,975	$ 1,336,285