Condensed Consolidated Balance Sheets (USD $) In Thousands	Jul. 03, 2011	Oct. 03, 2010
Assets
Cash and cash equivalents	$ 59,468	$ 59,058
Marketable securities	1,326	3,203
Accounts receivable, less allowances of $8,182 and $5,843 at July 3, 2011 and October 3, 2010, respectively	104,096	99,543
Inventories:
Raw materials	28,204	29,152
Work-in-process	9,322	6,799
Finished goods	28,264	34,007
Inventory, net	65,790	69,958
Prepaid expenses and other current assets	25,775	24,649
Total current assets	256,455	256,411
Property and equipment at cost:
Land, building and improvements	2,285	1,355
Machinery and equipment	86,481	79,388
Rental equipment	54,910	35,868
Construction in progress	1,814	3,180
Tooling	20,637	18,678
Furniture and fixtures	4,673	4,245
Leasehold improvements	7,218	6,533
Property and equipment, gross	178,018	149,247
Less accumulated depreciation and amortization	112,283	99,324
Net property and equipment	65,735	49,923
Investments	1,310	1,310
Notes receivable	1,947	3,709
Goodwill	79,060	79,048
Intangibles and other assets, net	39,284	40,369
Total assets	443,791	430,770
Liabilities and Stockholders' Equity
Accounts payable	20,441	22,801
Deferred revenue	21,676	20,871
Accrued expenses and other liabilities	31,224	54,526
Total current liabilities	73,341	98,198
Non-Current liabilities:
Other long-term liabilities	18,267	18,994
Total liabilities	91,608	117,192
Commitments and contingencies (Notes 8 and 14)
Stockholders' equity:
Preferred stock, $0.01 par value, authorized 1,000 shares, none issued or outstanding
Common stock, $0.01 par value, authorized 38,000 shares, 22,060 and 21,504 issued and outstanding at July 3, 2011 and October 3, 2010, respectively	220	215
Capital in excess of par value	189,602	172,077
Accumulated other comprehensive loss	(5,229)	(6,891)
Retained earnings	167,590	148,177
Total stockholders' equity	352,183	313,578
Total liabilities and stockholders' equity	$ 443,791	$ 430,770