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Derivative Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of interest rate swap agreements | In 2010, the Company entered into interest rate swap agreements as summarized in the table below:
| Notional Amount |  | Paying |  | Receiving |  | Start Date |  | Expiration Date
Counterparty A | $ | 25.0 |  |  | 1.67 | % |  | 3-Month LIBOR |  | October 2010 |  | October 2015
Counterparty A | $ | 25.0 |  |  | 1.65 | % |  | 3-Month LIBOR |  | October 2010 |  | October 2015
Counterparty B | $ | 25.0 |  |  | 1.59 | % |  | 3-Month LIBOR |  | October 2010 |  | October 2015
Counterparty B | $ | 25.0 |  |  | 2.14 | % |  | 3-Month LIBOR |  | October 2010 |  | October 2017
Schedule of amount of derivative instrument gains and (losses) before taxes | The following summarizes the amount of derivative instrument gains and losses reported in the Consolidated Statements of Comprehensive Income:
| For the Years Ended December 31,
Cash Flow Hedges | 2011 |  | 2012 |  | 2013
Interest rate swaps | $ | (5.4 | ) |  | $ | (1.1 | ) |  | $ | 1.5 |
Treasury rate locks | (4.3 | ) |  | — |  |  | — |
Total | $ | (9.7 | ) |  | $ | (1.1 | ) |  | $ | 1.5 |

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 + Details
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