Net Income Per Common Share (EPS) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	Mar. 30, 2013
Debt Instrument [Line Items]
Stated Interest rate of debentures	3.125%
2.625% Senior Convertible Debentures [Member]
Debt Instrument [Line Items]
Stated Interest rate of debentures	2.625%
Maximum number of common shares to be purchased under call option	20.0
Price per share of common stock to be purchased under call option	29.97

The price per share of the conversion feature embedded in the debt instrument.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 32

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant