Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (25,017)
Unrealized (losses) gains net	382	331
Reclassification from accumulated other comprehensive income into net income	(257)	(340)
Reclassification from accumulated other comprehensive income into net income net of tax	(157)	(207)
Ending balance	(47,625)
Interest rate swaps and cap agreements
Comprehensive Income (Loss) [Line Items]
Beginning balance	(1,795)	(2,344)
Unrealized (losses) gains	(9,451)	(4,111)
Related income tax benefit (expense)	3,691	1,606
Unrealized (losses) gains net	(5,760)	(2,505)
Reclassification from accumulated other comprehensive income into net income	1,332	5,513
Related income tax (expense) benefit	(520)	(2,154)
Reclassification from accumulated other comprehensive income into net income net of tax	812	3,359
Ending balance	(6,743)	(1,490)
Investment securities
Comprehensive Income (Loss) [Line Items]
Beginning balance	3,151	3,120
Unrealized (losses) gains	544	530
Related income tax benefit (expense)	(162)	(199)
Unrealized (losses) gains net	382	331
Reclassification from accumulated other comprehensive income into net income	(257)	(340)
Related income tax (expense) benefit	100	133
Reclassification from accumulated other comprehensive income into net income net of tax	(157)	(207)
Ending balance	3,376	3,244
Foreign currency translation adjustments
Comprehensive Income (Loss) [Line Items]
Beginning balance	(26,373)	(3,421)
Unrealized (losses) gains	(17,885)	28
Unrealized (losses) gains net	(17,885)	28
Ending balance	(44,258)	(3,393)
Accumulated other comprehensive income (loss)
Comprehensive Income (Loss) [Line Items]
Beginning balance	(25,017)	(2,645)
Unrealized (losses) gains	(26,792)	(3,553)
Related income tax benefit (expense)	3,529	1,407
Unrealized (losses) gains net	(23,263)	(2,146)
Reclassification from accumulated other comprehensive income into net income	1,075	5,173
Related income tax (expense) benefit	(420)	(2,021)
Reclassification from accumulated other comprehensive income into net income net of tax	655	3,152
Ending balance	$ (47,625)	$ (1,639)

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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