Long-Term Debt (Narrative) (Detail) (USD $)	6 Months Ended
	Dec. 31, 2012
Third Amended and Restated Credit Agreement [Member]
Debt Instrument [Line Items]
Percentage of common stock of foreign subsidiaries pledged as collateral	65.00%
Percentage of common stock of domestic subsidiaries pledged as collateral	100.00%
Third Amended and Restated Credit Agreement [Member] | Variable Interest Rate Option One [Member]
Debt Instrument [Line Items]
Reference rate	LIBOR
Third Amended and Restated Credit Agreement [Member] | Variable Interest Rate Option One [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate over the reference rate	2.00%
Third Amended and Restated Credit Agreement [Member] | Variable Interest Rate Option One [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate over the reference rate	2.75%
Third Amended and Restated Credit Agreement [Member] | Variable Interest Rate Option Two [Member]
Debt Instrument [Line Items]
Reference rate	Prime
Interest rate over the reference rate	0.25%
Revolving line of credit expiring June 2017 [Member]
Debt Instrument [Line Items]
Revolving credit loan facility, maximum borrowing capacity	11,000,000
Term loan expiring June 2019 [Member]
Debt Instrument [Line Items]
Amount outstanding	6,000,000
Number of required loan repayments from inception	28
Frequency of required repayments	Quarterly
Quarterly principal repayment amount	75,000
Payoff amount at maturity	3,900,000
Term loan expiring June 2017 [Member]
Debt Instrument [Line Items]
Amount outstanding	6,500,000
Number of required loan repayments from inception	20
Frequency of required repayments	Quarterly
Quarterly principal repayment amount	325,000