XML 21 R46.htm IDEA: XBRL DOCUMENT v2.4.1.9
Operations In Foreign Currency (Details)
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Australian Dollar [Member]      
Intercompany Foreign Currency Balance [Line Items]      
Currency exchange rates 0.7625us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_IntercompanyForeignCurrencyBalanceByDescriptionAxis
= rdi_AustralianDollarMember
0.8173us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_IntercompanyForeignCurrencyBalanceByDescriptionAxis
= rdi_AustralianDollarMember
0.9275us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_IntercompanyForeignCurrencyBalanceByDescriptionAxis
= rdi_AustralianDollarMember
New Zealand Dollar [Member]      
Intercompany Foreign Currency Balance [Line Items]      
Currency exchange rates 0.7485us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_IntercompanyForeignCurrencyBalanceByDescriptionAxis
= rdi_NewZealandDollarMember
0.7796us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_IntercompanyForeignCurrencyBalanceByDescriptionAxis
= rdi_NewZealandDollarMember
0.8684us-gaap_ForeignCurrencyExchangeRateTranslation1
/ us-gaap_IntercompanyForeignCurrencyBalanceByDescriptionAxis
= rdi_NewZealandDollarMember