Quarterly report pursuant to Section 13 or 15(d)

Shares Used in Earnings Per Share Computations (Detail)

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Shares Used in Earnings Per Share Computations (Detail)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Earnings Per Share Disclosure [Line Items]        
Weighted average common shares outstanding-basic 36,966 37,093 37,030 37,066
Dilutive effect of stock options 62 63 69 65
Weighted average common shares outstanding-diluted 37,028 37,156 37,099 37,131