The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Financial Statements of Parent and Subsidiary Guarantors (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 29, 2012	Jun. 29, 2012 2016 Notes [Member]	Mar. 30, 2012 2016 Notes [Member]	Oct. 31, 2009 2016 Notes [Member]	Jun. 29, 2012 2020 Notes [Member]	Mar. 30, 2012 2020 Notes [Member]	Feb. 27, 2012 2020 Notes [Member]
Senior Notes and Other Long Term Debt [Line Items]
Principal amounts of Senior Notes issued	$ 550,000	$ 275,000	$ 275,000	$ 275,000	$ 275,000	$ 275,000	$ 275,000
Financial Statements of Parent and Subsidiary Guarantors (Textual) [Abstract]
Percentage of guarantor subsidiaries owned by the Company	100.00%