Segment Disclosures - Summary of Capital Expenditures and Depreciation and Amortization by Operating Segments (Detail) (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
Capital expenditures:
Total Capital Expenditures	$ 4,706	$ 2,765	$ 1,760	$ 2,391	$ 3,165	$ 4,627	$ 2,960	$ 2,950	$ 11,622	$ 13,702	$ 17,917
Depreciation and amortization:
Total 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
Operating Segments [Member]
Capital expenditures:
Total Capital Expenditures									11,267	11,613	14,904
Depreciation and amortization:
Total Depreciation and Amortization									11,769	15,138	17,443
Operating Segments [Member] | Staffing Services [Member]
Capital expenditures:
Total Capital Expenditures									8,133	9,554	12,666
Depreciation and amortization:
Total Depreciation and Amortization									6,438	8,588	8,371
Operating Segments [Member] | Computer Systems [Member]
Capital expenditures:
Total Capital Expenditures									2,396	1,872	1,914
Depreciation and amortization:
Total Depreciation and Amortization									3,762	4,680	7,002
Operating Segments [Member] | Other [Member]
Capital expenditures:
Total Capital Expenditures									738	187	324
Depreciation and amortization:
Total Depreciation and Amortization									1,569	1,870	2,070
Corporate, Non-Segment [Member]
Capital expenditures:
Total Capital Expenditures									355	2,089	3,013
Depreciation and amortization:
Total Depreciation and Amortization									$ 3,162	$ 1,375	$ 2,292