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Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2014
Equity [Abstract] |
Changes in the balances of each component of accumulated other comprehensive income | Changes in the balances of each component of accumulated other comprehensive income for the years ended December 31, 2014, 2013 and 2012 are as follows:
|  | Unrealized Gain (Loss) on Foreign Currency Translation |  | Unrealized Gain (Loss) on Marketable Securities |  | Unrealized Gain (Loss) on Interest Rate Swaps |  | Accumulated Other Comprehensive Income
|  | (In thousands)
BALANCE, December 31, 2011 |  | $ | (7,969 | ) |  | $ | 8 |  |  | $ | (21,275 | ) |  | $ | (29,236 | )
Other comprehensive income (loss), net of tax |  | 1,843 |  |  | (8 | ) |  | (5,656 | ) |  | (3,821 | )
BALANCE, December 31, 2012 |  | (6,126 | ) |  | — |  |  | (26,931 | ) |  | (33,057 | )
Other comprehensive income (loss), net of tax |  | (31,701 | ) |  | — |  |  | 13,081 |  |  | (18,620 | )
BALANCE, December 31, 2013 |  | (37,827 | ) |  | — |  |  | (13,850 | ) |  | (51,677 | )
Other comprehensive income (loss), net of tax |  | (26,248 | ) |  | — |  |  | (4,059 | ) |  | (30,307 | )
BALANCE, December 31, 2014 |  | $ | (64,075 | ) |  | $ | — |  |  | $ | (17,909 | ) |  | $ | (81,984 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
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