XML 31 R45.htm IDEA: XBRL DOCUMENT v2.4.1.9
Other Matters (Details)
 0 Months Ended
Oct. 31, 2014
Jul. 25, 2014
Stock split ratio 2us-gaap_StockholdersEquityNoteStockSplitConversionRatio1  
Common Stock [Member]    
Additional shares authorized   60,000,000us-gaap_StockholdersEquityNoteChangesInCapitalStructureSubsequentChangesToNumberOfCommonShares
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
Class A Common Stock [Member]    
Additional shares authorized   2,400,000us-gaap_StockholdersEquityNoteChangesInCapitalStructureSubsequentChangesToNumberOfCommonShares
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember