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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- Definition

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

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- Definition

Amount of unrealized loss recorded in accumulated other comprehensive income pertaining to the decrease in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments to the extent that a cash flow hedge is determined to be effective.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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Derivatives And Hedging Activities (Narrative) (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Dec. 30, 2014	Mar. 31, 2014
Derivative [Line Items]
Derivative, Notional Amount		$ 74,000,000invest_DerivativeNotionalAmount
Interest rate swap agreements	3,050,000		600,000	936,000
Net unrealized loss on foreign currency derivatives designated as cash flow hedges	300,000
Foreign Exchange Forward [Member]
Derivative [Line Items]
Derivative, Notional Amount	80,000,000			66,000,000
Cash Flow Hedges [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 370,000,000