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BUSINESS COMBINATIONS (Details)	3 Months Ended
BUSINESS COMBINATIONS (Details)	Jun. 30, 2011
BUSINESS COMBINATIONS
Number of businesses acquired	2

X

- Details

Name:	us-gaap_BusinessCombinationsAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of businesses acquired by the entity during the period.

+ Details

Name:	us-gaap_NumberOfBusinessesAcquired
Namespace Prefix:	us-gaap
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration