Commitments And Contingencies (Details) - May. 31, 2015 - USD ($) $ in Millions	Total
Loss Contingencies [Line Items]
Liabilities related to indemnification agreement	$ 0.0
Purchase Commitment [Member]
Loss Contingencies [Line Items]
Significant purchase commitment amount committed	1.7
Contractual Obligation	0.0
Decrease in inventory and accrued liability	1.7
Commitment outstanding	$ 0.0

The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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