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Accumulated Other Comprehensive Income (Loss) | 6 Months Ended
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Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Accumulated Other Comprehensive Income (Loss) | 10. Accumulated Other Comprehensive Income (Loss) The changes in accumulated other comprehensive income (loss) for the six-month period ended June 30, 2013 are as follows:
|  | Changes in Accumulated Other Comprehensive Income (Loss) by Component for the Six Months Ended June 30, 2013 |
|  | Gains and Losses on Cash Flow Hedges |  |  | Defined Benefit Pension Plan |  |  | Total Accumulated Other Comprehensive Income (Loss) |
|  | (In thousands) |
Beginning balance at December 31, 2012 |  | $ | (19,488 | ) |  | $ | (475 | ) |  | $ | (19,963 | )
Other comprehensive income (loss) before reclassifications (1) |  |  | 4,440 |  |  |  | — |  |  |  | 4,440 |
Amounts reclassified out of accumulated other comprehensive income (loss) (2) |  |  | 3,637 |  |  |  | — |  |  |  | 3,637 |
Net current-period other comprehensive income (loss) |  |  | 8,077 |  |  |  | — |  |  |  | 8,077 |
Ending balance at June 30, 2013 |  | $ | (11,411 | ) |  | $ | (475 | ) |  | $ | (11,886 | )
(1) | Net of tax expense of $2,721.
(2) | Net of tax expense of $2,229.
See the heading “Derivative Instruments and Hedging Activities” in Note 6, “Long-Term Debt,” for further discussion of Sonic’s cash flow hedges. For further discussion of Sonic’s defined benefit pension plan, see Note 10, “Employee Benefit Plans,” to the Consolidated Financial Statements in Sonic’s Annual Report on Form 10-K for the year ended December 31, 2012.

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