Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Oct. 01, 2016
Current assets
Cash and cash equivalents	$ 108,733	$ 84,780
Accounts receivable, net of allowance for doubtful accounts of $5,371 and $3,923, respectively	123,994	133,500
Unbilled accounts receivable	76,914	76,626
Inventories, net	127,728	132,566
Prepaid expenses and other current assets	19,880	12,793
Total current assets	457,249	440,265
Property and equipment, net	99,930	100,789
Goodwill	369,762	369,700
Intangible assets, net	255,079	266,789
Other long-term assets	4,116	5,061
Deferred income taxes	3,556	5,416
Total assets	1,189,692	1,188,020
Current liabilities
Current maturities of long-term debt, net	39,095	9,850
Accounts payable	47,515	46,383
Accrued payroll and related costs	49,434	45,505
Advance payments from customers	76,712	72,728
Accrued warranty costs	6,018	5,718
Accrued income taxes	4,464	3,445
Accrued dividends	5,278	4,942
Other accrued liabilities	18,873	27,550
Total current liabilities	247,389	216,121
Long-term debt, less current maturities, net	418,544	455,001
Deferred income taxes	74,981	86,020
Non-current accrued income taxes	5,855	6,232
Defined benefit pension plan obligation	8,588	13,744
Other long-term liabilities	5,558	5,642
Total liabilities	760,915	782,760
Shareholders' Equity
Common stock, $0.25 par value; 64,000 shares authorized: 17,760 and 16,660 shares issued and outstanding as of September 30, 2017 and October 1, 2016, respectively	4,440	4,165
Additional paid-in capital	163,632	154,879
Retained earnings	261,258	256,589
Accumulated other comprehensive income (loss)	(553)	(10,373)
Total shareholders' equity	428,777	405,260
Total liabilities and shareholders' equity	$ 1,189,692	$ 1,188,020