Reclassifications out of Accumulated Other Comprehensive Income - Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Interest expense | $ (6,504) | $ (29,581) | $ (13,524) | $ (41,936) |
Tax benefit (expense) | (30,206) | (19,715) | (54,820) | (43,988) |
Net income | 61,053 | 37,546 | 119,990 | 81,512 |
Interest income | 237 | 237 | 505 | 460 |
Amount Reclassified from Accumulated Other Comprehensive Income [Member]
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Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Net income | (353) | (717) | ||
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Unrealized losses on cash flow hedges [Member]
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Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Tax benefit (expense) | 221 | 447 | ||
Net income | (353) | (720) | ||
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Unrealized losses on cash flow hedges [Member] | Interest rate swaps [Member]
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Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Interest expense | (574) | (1,167) | ||
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Unrealized gains on available-for-sale securities [Member]
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Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Tax benefit (expense) | (2) | |||
Net income | 3 | |||
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Unrealized gains on available-for-sale securities [Member] | Short-term investments [Member]
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Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Interest income | $ 5 |