Office Consolidation / Impairment Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2009
Office Consolidation / Impairment Charges
Impairment charge due to relocation of the Company's corporate headquarters and other operations	$ 5.2

Expenses charged against earnings in the period of an event that is infrequent in occurrence or unusual in nature.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15122-107781

Name:	us-gaap_OtherNonrecurringExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration