CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013
Net earnings	$ 31,455us-gaap_ProfitLoss	$ 28,340us-gaap_ProfitLoss	$ 80,275us-gaap_ProfitLoss	$ 84,693us-gaap_ProfitLoss
Other comprehensive income (loss):
Foreign currency translation	(7,270)	3,037	(16,862)	2,551
Cash flow hedges, net of tax	(1,881)	353	(920)	3,704
Other comprehensive income (loss)	(9,151)	3,390	(17,782)	6,255
Comprehensive income	22,304	31,730	62,493	90,948
Comprehensive income attributable to noncontrolling interest	1,559	5,679	5,031	6,458
Comprehensive income attributable to controlling interest	$ 20,745us-gaap_ComprehensiveIncomeNetOfTax	$ 26,051us-gaap_ComprehensiveIncomeNetOfTax	$ 57,462us-gaap_ComprehensiveIncomeNetOfTax	$ 84,490us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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