Condensed Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Oct. 01, 2011
Current assets:
Cash and cash equivalents	$ 86,064	$ 167,061
Short-term investments	129,111	53,142
Accounts receivable—net of allowances of $1,563 and $1,439, respectively	126,588	141,037
Inventories	157,057	152,385
Prepaid expenses and other assets	59,174	44,964
Deferred tax assets	21,974	22,057
Total current assets	579,968	580,646
Property and equipment, net	114,439	104,504
Goodwill	75,806	75,954
Intangible assets, net	14,746	17,980
Other assets	63,062	64,182
Total assets	848,021	843,266
Current liabilities:
Current portion of long-term obligations	16	15
Accounts payable	40,831	39,841
Income taxes payable	13,305	23,929
Other current liabilities	99,419	98,620
Total current liabilities	153,571	162,405
Long-term obligations	11	19
Other long-term liabilities	57,594	62,841
Commitments and contingencies (Note 11)
Common stock, par value $.01 per share:
Authorized—500,000 shares, Outstanding—23,668 shares and 23,722 shares, respectively	236	236
Additional paid-in capital	122,693	130,250
Accumulated other comprehensive income	44,416	51,221
Retained earnings	469,500	436,294
Total stockholders’ equity	636,845	618,001
Total liabilities and stockholders’ equity	$ 848,021	$ 843,266