Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Nov. 03, 2013	Jul. 28, 2013	Apr. 28, 2013	Jan. 27, 2013	Oct. 28, 2012	Jul. 29, 2012	Apr. 29, 2012	Jan. 29, 2012	Nov. 03, 2013	Oct. 28, 2012	Oct. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 1,620	$ 2,056	$ (17,461)	$ (17,090)	$ (2,012)	$ (11,241)	$ 547	$ (897)	$ (30,875)	$ (13,603)	$ 15,629
Adjustments to reconcile net income (loss) to cash used in operating activities:
Depreciation and amortization	3,551	3,550	3,676	4,154	4,062	4,022	4,075	4,354	14,931	16,513	19,735
Provisions (release) of doubtful accounts and sales allowances	3	307	13	56	(86)	333	5	(138)	379	114	(474)
Unrealized foreign currency exchange loss (gain)	518	(285)	(965)	(574)	216	(427)	8	475	(1,306)	272	481
Gain on dispositions of property, equipment and software	(20)	(148)	47	12	(4,392)	(367)	(32)	(107)	(109)	(4,898)	(2,049)
Deferred income tax provision (benefit)	54	221	(954)	(1,003)	(14)	1,348	203	269	(1,682)	1,806	(4,933)
Share-based compensation expense	33	82	172	129	(27)	(5)	105	54	416	127	460
Change in operating assets and liabilities:
Trade accounts receivable	(7,214)	6,557	2,862	38,867	(6,286)	11,663	(48,654)	28,558	41,072	(14,719)	9,355
Restricted cash related to customer contracts	(755)	3,396	3,731	4,403	12,082	13,451	(6,752)	(5,167)	10,775	13,614	966
Prepaid insurance and other assets	2,848	(2,652)	(2,143)	(5,850)	2,363	(3,864)	(84)	28	(7,797)	(1,557)	(1,254)
Accounts payable	561	(19,059)	(4,360)	(6,107)	(5,618)	(17,865)	11,265	(851)	(28,965)	(13,069)	(3,068)
Accrued expenses	(954)	(9,316)	919	2,593	(1,307)	(5,809)	4,969	3,854	(6,758)	1,707	(5,823)
Deferred revenue, net	(9,138)	(4,625)	791	(1,897)	(9,686)	(779)	(1,700)	(14,262)	(14,869)	(26,427)	(56,883)
Other liabilities	1,103			(140)	10	44	(54)	(79)	963	(79)	(365)
Income taxes	(1,226)	(1,768)	1,497	(5,767)	1,303	(271)	(588)	(682)	(7,264)	(238)	(129)
Net cash used in operating activities	(9,016)	(21,684)	(12,175)	11,786	(9,392)	(9,767)	(36,687)	15,409	(31,089)	(40,437)	(28,352)
CASH FLOWS FROM INVESTING ACTIVITIES:
Sales of investments	695	549	457	550	445	399	358	718	2,251	1,920	2,856
Purchases of investments	(409)	(542)	(438)	(505)	(442)	(389)	(360)	(505)	(1,894)	(1,696)	(2,943)
Acquisitions, net								(1,822)		(1,822)
Proceeds from sales of property, equipment and software	67	43	15	187	5,419	1,379	375	485	312	7,658	3,795
Purchases of property, equipment, and software	(4,706)	(2,765)	(1,760)	(2,391)	(3,165)	(4,627)	(2,960)	(2,950)	(11,622)	(13,702)	(17,917)
Net cash used in investing activities	(4,353)	(2,715)	(1,726)	(2,159)	2,257	(3,238)	(2,587)	(4,074)	(10,953)	(7,642)	(14,209)
CASH FLOWS FROM FINANCING ACTIVITIES:
(Increase) decrease in cash restricted as collateral for borrowings	(614)	141	4,293	(24)	(328)	292	(18)	(1,337)	3,796	(1,391)	(3,761)
Net change in short-term borrowings	2,357	9,975	19,937	(9,935)	1,435	18,415	20,312	(7,708)	22,334	32,454	40,063
Repayment of long-term debt	(265)	(187)	(174)	(209)	(183)	(178)	(175)	(172)	(835)	(708)	(652)
Net cash provided by financing activities	1,478	9,929	24,056	(10,168)	924	18,529	20,119	(9,217)	25,295	30,355	35,650
Effect of exchange rate changes on cash and cash equivalents	1,616	(51)	251	(438)	(424)	(831)	1,181	(287)	1,378	(360)	394
Net decrease in cash and cash equivalents	(10,275)	(14,521)	10,406	(979)	(6,635)	4,693	(17,974)	1,832	(15,369)	(18,084)	(6,517)
Cash and cash equivalents, beginning of year	21,389	35,910	25,504	26,483	33,118	28,425	46,399	44,567	26,483	44,567	51,084
Cash and cash equivalents, end of year	11,114	21,389	35,910	25,504	26,483	33,118	28,425	46,399	11,114	26,483	44,567
Cash paid during the year:
Interest expense	811	703	703	708	732	740	697	697	2,925	2,866	2,585
Income taxes	$ 999	$ 905	$ 665	$ 8,253	$ 1,246	$ 786	$ 833	$ 875	$ 10,822	$ 3,740	$ 5,857