Discontinued Operations - Summary of Assets and Liabilities of the Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jan. 01, 2012
Assets:
Goodwill	$ 17,800
Assets of discontinued operations	0	72,340
Residential Treatment Services [Member]
Assets:
Accounts Receivable	20,560
Property and equipment, net	16,950
Goodwill	17,770
Intangible Assets, Net	4,626
Other assets	4,410
Assets of discontinued operations	64,316
Liabilities:
Accounts payable and accrued expenses	2,443
Accrued Payroll	3,324
Other liabilities	2,312
Liabilities of discontinued operations	$ 8,079