Subsequent Event (Details) (Dividend Declared [Member], USD $)	3 Months Ended
Jul. 02, 2011
Dividend Declared [Member]
Subsequent Event [Line Items]
Subsequent event, date	Aug. 05, 2011
Subsequent event, amount (in dollars per share)	$ 0.13
Subsequent event, date payable	Sep. 15, 2011

Date of subsequent event occurrence or of indication that subsequent event occurred.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsDate
Namespace Prefix:	us-gaap
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration