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Net Fair Value of Interest Rate Swaps (Detail) (USD $) In Millions, unless otherwise specified	Jul. 13, 2013
Derivatives, Fair Value [Line Items]
Liabilities	$ (0.1)
Net Fair Value	(0.1)
Other Current Liabilities
Derivatives, Fair Value [Line Items]
Liabilities	(0.1)
Other LongTerm Liabilities
Derivatives, Fair Value [Line Items]
Liabilities	0
Level 2
Derivatives, Fair Value [Line Items]
Liabilities	(0.1)
Net Fair Value	(0.1)
Level 2 | Other Current Liabilities
Derivatives, Fair Value [Line Items]
Liabilities	(0.1)
Level 2 | Other LongTerm Liabilities
Derivatives, Fair Value [Line Items]
Liabilities	$ 0

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- Definition

Fair value as of the balance sheet date of all interest rate derivatives designated as cash flow hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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