Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v2.4.1.9
Commitments and Contingencies (Details Textual) (Guarantor Obligations [Member], USD $)
In Millions, unless otherwise specified
Nov. 30, 2014
Feb. 28, 2014
Guarantor Obligations [Member]
   
Loss Contingencies [Line Items]    
Carrying amount of indemnification liabilities $ 11.3us-gaap_GuaranteeObligationsCurrentCarryingValue
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_GuaranteeObligationsMember
$ 11.6us-gaap_GuaranteeObligationsCurrentCarryingValue
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_GuaranteeObligationsMember
Potential future payments 292.4us-gaap_GuaranteeObligationsMaximumExposure
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_GuaranteeObligationsMember
 
Amount subject to recovery from third parties under recourse provisions $ 278.8stz_EstimatedRecoveryFromThirdParty
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_GuaranteeObligationsMember