The Company and Operations (Details) (USD $) In Millions, unless otherwise specified	Feb. 28, 2013 Location
The Company and Operations (Textual) [Abstract]
Number of locations in which company operates	2
Purchased by a wholly-owned subsidiary	$ 4.5

Value of outstanding shares of company purchased under agreement and plan of merger.

No definition available.

Name:	mead_ValueOfOutstandingSharesOfCompanyPurchasedUnderAgreementAndPlanOfMerger
Namespace Prefix:	mead_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant