2.2.0.7 false New Accounting Guidance 1020 - Disclosure - New Accounting Guidance true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDPerShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 New Accounting Guidance 0 bms_NewAccountingGuidanceDisclosureAbstract bms false na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 New Accounting Guidance 1 us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 <table style="font-size:10pt; font-family:'Times New Roman',times,serif;"> <tr> <td> Note 2 New Accounting Guidance   Fair Value Measurements and Disclosures   In January 2010, the FASB issued additional authoritative guidance regarding fair value measurements and disclosures.  This guidance requires that information be provided about asset movements among Levels 1 and 2 of the fair value hierarchy, requires expanded disclosures in the roll forward of Level 3 activity, and provides clarifications on certain existing disclosure requirements.  The majority of the guidance was effective for the Company for interim and annual reporting periods beginning after December 15, 2009 and did not impact its financial position or results of operations.  A portion of the guidance related to expanded disclosures in the roll forward of Level 3 activity is effective for interim and annual reporting periods beginning after December 15, 2010.  This portion of the guidance will expand the Companys disclosures and will not impact its financial position or results of operations.  </td></tr></table> Note 2 New Accounting Guidance   Fair Value Measurements and Disclosures   In January 2010, the FASB issued additional authoritative false false false us-types:textBlockItemType textblock Represents disclosure of any changes in an accounting principle, including a change from one generally accepted accounting principle to another generally accepted accounting principle when there are two or more generally accepted accounting principles that apply or when the accounting principle formerly used is no longer generally accepted. Also disclose any change in the method of applying an accounting principle, or any change in an accounting principle required by a new pronouncement in the unusual instance that a new pronouncement does not include specific transition provisions. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 154 -Paragraph 2, 17, 18 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 23, 24 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 01 -Paragraph b -Subparagraph 6 -Article 10 false 1 2 false UnKnown UnKnown UnKnown false true