COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions	3 Months Ended
Jun. 30, 2011
Commitments
Future commitment for lease or license payments under noncancellable operating leases or licenses (in years)	29
Future commitment for lease or license payments under noncancellable operating leases or licenses	$ 129.6
Ownership ratio in a joint venture with a local real estate developer	50/50
Maximum potential future payments under guarantees of third-party indebtedness	$ 1.3

The total of future contractually required payments on leases defined as operating.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 122

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 16
-Subparagraph b(i)

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant