XML 21 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9
Change in Estimate (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended 1 Months Ended
Dec. 26, 2014
Dec. 27, 2013
Dec. 26, 2014
Dec. 27, 2013
Oct. 31, 2013
Change in Accounting Estimate [Line Items]          
Gross revenue $ 143,228us-gaap_SalesRevenueServicesGross $ 122,592us-gaap_SalesRevenueServicesGross $ 266,253us-gaap_SalesRevenueServicesGross $ 229,166us-gaap_SalesRevenueServicesGross  
Net service revenue 99,838us-gaap_SalesRevenueServicesNet 91,131us-gaap_SalesRevenueServicesNet 192,457us-gaap_SalesRevenueServicesNet 172,383us-gaap_SalesRevenueServicesNet  
Insurance recoveries 641us-gaap_InsuranceRecoveries 305us-gaap_InsuranceRecoveries 5,485us-gaap_InsuranceRecoveries 12,605us-gaap_InsuranceRecoveries  
Current Site Remedy [Member]          
Change in Accounting Estimate [Line Items]          
Modification of estimate         12,439trr_ModificationofEstimate
/ us-gaap_RegulatoryAgencyAxis
= trr_CurrentSiteRemedyMember
Current Site Remedy [Member] | Scenario, Adjustment [Member]          
Change in Accounting Estimate [Line Items]          
Gross revenue       5,093us-gaap_SalesRevenueServicesGross
/ us-gaap_RegulatoryAgencyAxis
= trr_CurrentSiteRemedyMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioAdjustmentMember
 
Net service revenue       7,346us-gaap_SalesRevenueServicesNet
/ us-gaap_RegulatoryAgencyAxis
= trr_CurrentSiteRemedyMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioAdjustmentMember
 
Insurance recoveries       $ 12,439us-gaap_InsuranceRecoveries
/ us-gaap_RegulatoryAgencyAxis
= trr_CurrentSiteRemedyMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioAdjustmentMember