SUBSEQUENT EVENT (Narrative) (Details) (Subsequent Event [Member], USD $)	0 Months Ended
Aug. 02, 2013
Subsequent Event [Member]
Subsequent Event [Line Items]
Stock repurchased during period, Shares	1,479,704
Stock repurchased during period, Value	$ 29,594,080

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant