Long-Term Debt (Narrative) (Detail) (USD $)	3 Months Ended
	Sep. 30, 2013 Installment
Term loan expiring June 2019 [Member]
Debt Instrument [Line Items]
Initial amount of loan	$ 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]
Initial amount of loan	6,500,000
Number of required loan repayments from inception	20
Frequency of required repayments	Quarterly
Quarterly principal repayment amount	325,000
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