ACQUISITION - Final Allocation of Fair Value of Assets Acquired and Liabilities Assumed (Details) (USD $)	Dec. 27, 2013	Dec. 28, 2012	Dec. 27, 2013 MDT Personnel, LLC	Feb. 04, 2013 MDT Personnel, LLC		Dec. 27, 2013 The Work Connection, Inc.	Oct. 02, 2013 The Work Connection, Inc.
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash				$ 400,000
Accounts receivable (1)				29,900,000	[1]		10,200,000	[2]
Prepaid expenses, deposits and other current assets				600,000
Property and equipment				300,000			200,000
Restricted cash				6,900,000
Intangible assets	19,900,000		10,200,000	10,200,000		8,200,000	8,200,000
Total assets acquired				48,300,000			18,600,000
Accounts payable							600,000
Accounts payable and other accrued expenses				6,300,000
Accrued wages and benefits				4,800,000			2,900,000
Workers' compensation claims reserve				9,400,000
Other long-term liabilities				100,000
Total liabilities assumed				20,600,000			3,500,000
Net identifiable assets acquired				27,700,000			15,100,000
Goodwill	82,239,000	48,079,000		25,700,000			7,600,000
Net assets acquired				53,400,000			22,700,000
Business Combination, Acquired Receivables [Abstract]
Gross contractual accounts receivable				32,900,000			10,400,000
Estimated uncollectible accounts receivable				$ 3,000,000			$ 200,000

[1] The gross contractual amount of accounts receivable was $32.9 million of which $3.0 million was estimated to be uncollectible.

[2] The gross contractual amount of accounts receivable was $10.4 million of which $0.2 million was estimated to be uncollectible.