Annual report pursuant to Section 13 and 15(d)

Goodwill (Details Textual)

v2.4.1.9
Goodwill (Details Textual) (Operating Segments [Member], Wine and Spirits [Member], USD $)
In Millions, unless otherwise specified
Feb. 28, 2015
Feb. 28, 2014
Operating Segments [Member] | Wine and Spirits [Member]
   
Goodwill [Line Items]    
Accumulated impairment losses $ 231.0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= stz_ConstellationwinesandspiritsMember
$ 261.3us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= stz_ConstellationwinesandspiritsMember