Subsequent Events	12 Months Ended
May 31, 2013
Subsequent Events [Text Block]
Subsequent Events [Text Block]	19. SUBSEQUENT EVENTS On July 17, 2013, the Board of Directors declared a regular cash dividend of $0.125 per Class A and Common share in respect of the first quarter of fiscal 2014. The dividend is payable on September 16, 2013 to shareholders of record on August 30, 2013.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration