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)

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

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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.

+ References

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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.

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

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-Topic 825

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- Definition

Amount of increase (decrease) of the credit facility.

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-Topic 235

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

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

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-Topic 942

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-Number 210

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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No definition available.

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Long-Term Obligations (Narrative) (Details) (USD $)	0 Months Ended
Long-Term Obligations (Narrative) (Details) (USD $)	Dec. 30, 2014	Mar. 31, 2015	Dec. 31, 2014	Dec. 30, 2014	Mar. 31, 2014
Debt Instrument [Line Items]
Repayments of Debt	$ 250,000,000us-gaap_RepaymentsOfDebt
Reduction in revolving credit borrowings	120,000,000
Interest Rate Derivative Liabilities, at Fair Value	600,000	3,050,000		600,000	936,000
Derivative, Notional Amount			74,000,000invest_DerivativeNotionalAmount
Long-term debt		370,000,000us-gaap_LongTermDebtNoncurrent			240,000,000us-gaap_LongTermDebtNoncurrent
Five-year term [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	5 years
Term loan	150,000,000			150,000,000
Debt Instrument, Interest Rate, Effective Percentage		2.90%
Seven-year term [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	7 years
Term loan	$ 220,000,000			$ 220,000,000
Debt Instrument, Interest Rate, Effective Percentage		3.50%