Consolidated Statements Of Cash Flows (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011
Consolidated Statements Of Cash Flows [Abstract]
Advances to athlete client converted to note receivable, earn-off	$ 47

Advances to athlete client converted to note receivable, earn-off.

No definition available.

Name:	drj_AdvancesToAthleteClientConvertedToNoteReceivableEarnOff
Namespace Prefix:	drj_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration