INCOME TAXES (DTA AND DTL TABLE) (DETAILS) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets, gross
Accrued workers compensation, deferred compensation and employee benefits	$ 5,363	$ 4,720
Allowance for doubtful accounts, insurance and other accruals	5,787	6,017
Depreciation and amortization	4,366	8,377
Amortization of deferred rent liabilities	1,586	1,472
Net operating losses	21,637	15,932
Equity compensation	6,174	7,389
Customer acquisition and deferred revenue accruals	13,542	10,252
Federal and state tax credits, net	17,545	15,965
Unrealized losses on derivatives		2,679
Other deferred tax assets	13,420	11,284
Total deferred tax assets, gross	89,420	84,087
Valuation allowances	(20,909)	(16,555)
Total deferred tax assets, net	68,511	67,532
Deferred tax liabilities
Long-term lease obligations	(10)	23
Unrealized gains on derivatives	7,464
Contract acquisition costs - deferred tax liability	7,847	6,015
Future losses in UK	(3,559)	(4,571)
Other deferred tax liabilities	3,423	5,349
Total deferred tax liabilities	(22,283)	(15,958)
Net deferred tax assets	$ 46,228	$ 51,574

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from future depreciation and amortization recognized under GAAP compared to depreciation and amortization recognized for income tax purposes, which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

No definition available.