XML 14 R48.htm IDEA: XBRL DOCUMENT v2.4.1.9
STOCK BASED COMPENSATION - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation expenses related to non-vested option awards $ 42.5us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
Weighted average period of recognition for unrecognized compensation expenses 3 years 5 months 23 days
Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation expenses related to RSUs $ 5.0us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Weighted average period of recognition for unrecognized compensation expenses 2 years 11 months 1 day
Ratio of share reserve related to RSUs granted 2srcl_NumberOfSharesGrantedAgainstShareLimits
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Restricted Stock Units (RSUs) [Member] | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Restricted Stock Units (RSUs) [Member] | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 5 years