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New accounting pronouncements	9 Months Ended
New accounting pronouncements	Mar. 31, 2013
New accounting pronouncements [Abstract]
New Accounting Pronouncements	New accounting pronouncements In February 2013, the Financial Accounting Standards Board (FASB) issued new accounting guidance requiring an entity to provide information about the amounts reclassified out of accumulated other comprehensive income (AOCI) by component. For items reclassified out of AOCI in their entirety, the disclosure of the income statement line where those items are reflected is also required. Cross-reference to disclosures providing additional information is required for other items not reclassified in their entirety. The guidance does not change the current requirements for reporting net income or other comprehensive income. The guidance, which must be presented prospectively, is effective for fiscal years, and interim periods within those years, beginning after December 15, 2012.