Description of Business and Summary of Significant Accounting Policies Advertising (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2013
Advertising [Abstract]
Advertising Expense	$ 12,097us-gaap_AdvertisingExpense	$ 10,722us-gaap_AdvertisingExpense	$ 9,499us-gaap_AdvertisingExpense

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

Name:	us-gaap_AdvertisingExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration