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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Net of Tax, Attributable to Noncontrolling Interests

+ References

No definition available.

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Accumulated Other Comprehensive Income (Loss), Cumulative Unrealized Net Gain (Loss) from Cash Flow Hedges, Net of Tax

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No definition available.

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- Definition

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

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-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 14

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-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 14A

-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580

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-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 2

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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No definition available.

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

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No definition available.

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

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

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959

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-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

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Derivative and Hedging Activities (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	0 Months Ended
	Mar. 31, 2015	Aug. 02, 2012	Dec. 31, 2014	May 16, 2012 agreement
First Term Loan [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	7 years
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	3.62%		3.62%
Second Term Loan [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	5 years
Derivative, Maturity Date		Aug. 02, 2017
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	2.38%		2.38%
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Debt Instrument [Line Items]
Number of interest rate swap agreements		5		3
Derivative, Notional Amount		300,000		$ 177,500
Derivative change in fair value recorded in other comprehensive income (loss)	(2,578)		750
Unrealized gain (loss) included in accumulated other comprehensive income (loss)	(2,571)		748
Derivative change in fair value recorded in other comprehensive income (loss) attributable to noncontrolling interests	(7)		2
Amount reclassified from AOCL and noncontrolling interests and recognized as a reduction to income in the next 12 months	4,332