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Consolidated Statements of Stockholders Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 30, 2013
Stock right offering, net of taxes | $ 0
Voting common stock outstanding [Member] |
Stock right offering, net of taxes | 0
Voting common stock [Member] |
Stock right offering, net of taxes | $ 0

X
- Definition Stock Issued During Period Tax Effect + References No definition available. + Details
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Namespace Prefix: | bmj_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration