Represents the sum of the carrying value of all the Assets Held-for-Sale at the balance sheet date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-Paragraph 47

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Name:	us-gaap_AssetsHeldForSaleAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Subsequent Events - Additional Information (Detail) (Subsequent Event, USD $) In Thousands, unless otherwise specified	1 Months Ended
	Jul. 31, 2012	Jul. 12, 2012 acre sqft	Jun. 30, 2012
Subsequent Event
Subsequent Event [Line Items]
Land listed for sale		7.25
Facility listed for sale		120,000
Percentage of facility with intent to leaseback	80.00%
Asking price of the assets	$ 12,500
Book value of the facility and land			$ 9,798