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Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Commitments and Contingencies. The Company leases its facilities and certain office equipment under operating leases, which expire at various dates through 2022. Certain leases contain rent escalations and/or renewal options. Rent expense for all significant leases is recognized on a straight-line basis. The balance of the deferred rent liability reflected in other current liabilities in the accompanying Consolidated Balance Sheets was $0.3 million at December 31, 2012 and 2011 and the balance reflected in other long-term liabilities was $3.8 million and $2.1 million, at December 31, 2012 and 2011 respectively. The following is a summary of specified contractual cash obligation payments by the Company as of December 31, 2012 (in thousands):
|  | Long-Term Debt |  | Operating Leases |  | Related Party Leases |  | Total
2013 |  | $ | 10,000 |  |  | $ | 13,545 |  |  | $ | 1,266 |  |  | $ | 24,811 |
2014 |  | 10,000 |  |  | 11,117 |  |  | 1,299 |  |  | 22,416 |
2015 |  | 10,000 |  |  | 9,210 |  |  | 1,168 |  |  | 20,378 |
2016 |  | 10,000 |  |  | 6,386 |  |  | 694 |  |  | 17,080 |
2017 |  | 52,500 |  |  | 3,588 |  |  | 175 |  |  | 56,263 |
Thereafter |  | 334,088 |  |  | 6,764 |  |  | — |  |  | 340,852 |
Total |  | $ | 426,588 |  |  | $ | 50,610 |  |  | $ | 4,602 |  |  | $ | 481,800 |
Rent expense, which is included in SG&A expenses, was $14.1 million for 2012, $8.6 million for 2011, and $8.4 million for 2010. As discussed in Note 1, the Company carries large retention policies for its workers’ compensation liability and its medical malpractice exposures. The workers' compensation and medical malpractice loss reserves are based upon an actuarial report obtained from a third party and determined based on claims filed and claims incurred but not reported. The Company accounts for claims incurred but not yet reported based on estimates derived from historical claims experience and current trends of industry data. Changes in estimates, differences in estimates and actual payments for claims are recognized in the period that the estimates changed or the payments were made. The workers' compensation and medical malpractice loss reserves were approximately $10.3 million and $10.4 million at December 31, 2012 and 2011, respectively. Additionally, the Company has unused stand-by letters of credit outstanding to secure obligations for workers’ compensation claims with various insurance carriers. The unused stand-by letters of credit at December 31, 2012 and December 31, 2011 were $2.8 million and $2.4 million, respectively. The Company is subject to earn-out obligations entered into in connection with certain of its acquisitions. If the acquired businesses meet predetermined financial targets, the Company is obligated to make additional cash payments in accordance with the terms of such earn-out obligations. As of December 31, 2012, the Company has potential future earn-out obligations of approximately $9.1 million through 2013. The Company has entered into various non-cancelable operating leases, primarily related to its facilities and certain office equipment used in the ordinary course of business. As a result of the Apex acquisition, the Company leases two properties owned by related parties. At December 31, 2012 and 2011, the Company has an income tax reserve in other long-term liabilities related to uncertain tax positions of $0.4 million and $0.3 million, respectively. Legal Proceedings The Company is involved in various legal proceedings, claims and litigation arising in the ordinary course of business. However, based on the facts currently available, the Company does not believe that the disposition of matters that are pending or asserted will have a material effect on its consolidated financial statements.

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- Definition The entire disclosure for commitments and contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 14 -Paragraph 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25287-109308 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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