Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net earnings	$ 14,508us-gaap_NetIncomeLoss	$ 8,531us-gaap_NetIncomeLoss	$ 48,906us-gaap_NetIncomeLoss	$ 25,794us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Foreign currency translation adjustments	(7,343)	(2,123)	(11,509)	2,250
Pension adjustment, net of taxes of $(6) and $101 for the three and nine months ended, respectively	22		(380)
Comprehensive income	$ 7,187us-gaap_ComprehensiveIncomeNetOfTax	$ 6,408us-gaap_ComprehensiveIncomeNetOfTax	$ 37,017us-gaap_ComprehensiveIncomeNetOfTax	$ 28,044us-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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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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, before reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement benefit plans.

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