Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Name Regulation S-X (SX)

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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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Fixed interest rate related to the interest rate derivative.

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Information that would enable users to understand the volume of the entity's derivative activity.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Number of interest rate derivative instruments held by the entity at the reporting date.

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Derivative Financial Instruments Derivative Financial Instruments Narrative (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Net unrealized loss on hedging instruments	197,214,000	$ 136,514,000
Forward Contracts [Member]
Description of Derivative Activity Volume	143
Secured Debt [Member]
Long-term Debt	361,310,000	323,969,000
Interest Rate Swap [Member] \| Credit Facility USD Term Loan Interest Rate Swaps [Member]
Number of Interest Rate Derivatives Held	6
Derivative, Notional Amount	200,000,000
Pay fixed interest rate in interst rate swap	1.00%
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	(1,300,000)
Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member] \| Minimum [Member]
Derivative, Notional Amount	188,000
Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member] \| Maximum [Member]
Derivative, Notional Amount	21,000,000
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member]
Net unrealized loss on hedging instruments	14,380,000	14,380,000	14,380,000	14,380,000
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member] \| Net Investment Hedging [Member]
Net unrealized loss on hedging instruments	14,400,000		14,400,000
Number of Counterparties [Member]
Derivative Counterparties	8	8
London Interbank Offered Rate (LIBOR) [Member] \| Secured Debt [Member]
Long-term Debt	345,000,000