Subsequent Events (Narrative) (Details) (USD $) Share data in Millions	1 Months Ended
Aug. 31, 2011	Aug. 29, 2011	Jun. 30, 2011	Jun. 30, 2010	Jul. 01, 2011 Pangia Technologies, LLC [Member]
Total purchase consideration			$ 134,630,000	$ 129,100,000	$ 41,000,000
Common stock authorization to repurchase, value	$ 175,000,000
Common stock authorization to repurchase, shares	4.0
Accelerated share repurchase agreement, number of shares		4.0

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant