The cash outflow to reacquire common stock during the period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 20

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Name:	us-gaap_PaymentsForRepurchaseOfCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Stock Repurchase Programs (Details) (USD $) Share data in Millions, unless otherwise specified	0 Months Ended	3 Months Ended				0 Months Ended
	Dec. 21, 2010	Feb. 28, 2012	Feb. 28, 2011	Feb. 28, 2012 Retained Earnings [Member]	Feb. 28, 2012 December 2010 Plan [Member]	Mar. 29, 2012 Terminated December 2010 Plan [Member]
Stock Repurchase Program [Line Items]
Stock repurchase program, authorized amount	$ 300,000,000				$ 300,000,000	$ 300,000,000
Remaining authorized amount available for repurchases					38,400,000
Payments classification for shares repurchased		$ 67,525,000	$ 24,430,000	$ 33,400,000
Shares repurchased		2.8	1.2