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Bank Borrowings (Narrative) (Detail) (USD $) In Millions, unless otherwise specified | 1 Months Ended |  |  | 12 Months Ended | 1 Months Ended | 12 Months Ended |  | 1 Months Ended |  |
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Mar. 31, 2012 | Jun. 27, 2011 Month | Jun. 27, 2011 Before Amendment Comerica Bank [Member] Loan And Security Agreement [Member] | Jun. 27, 2011 After Amendment Comerica Bank [Member] Loan And Security Agreement [Member] | Jun. 27, 2011 Comerica Credit Facility [Member] | Jun. 30, 2012 Comerica Credit Facility [Member] | Jun. 30, 2011 Comerica Credit Facility [Member] | Jun. 30, 2012 Comerica Credit Facility [Member] Maximum [Member] | Jun. 30, 2011 Comerica Credit Facility [Member] Maximum [Member] | Jun. 27, 2011 Comerica Credit Facility [Member] Minimum [Member] Month | Jun. 30, 2012 Comerica Credit Facility [Member] Minimum [Member] | Jun. 30, 2011 Comerica Credit Facility [Member] Minimum [Member] | Jun. 27, 2011 Comerica Credit Facility [Member] Revolving Line Of Credit [Member] | Jun. 27, 2011 Comerica Credit Facility [Member] Term Loan [Member] | Jun. 30, 2012 Comerica Credit Facility [Member] Term Loan [Member] | Jun. 30, 2011 Comerica Credit Facility [Member] Term Loan [Member]
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under line of credit |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.5 |  |  |
Percentage of qualified receivables |  |  |  |  | 80.00% |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit, maturity date |  |  |  |  | Jun. 27, 2012 |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit, interest rate |  |  |  |  | 0.75% | 1.00% | 1.00% |  |  |  |  |  |  |  |  |
Facility available to pay off existing obligation |  |  |  |  |  | 5.0 |  |  |  |  |  |  |  |  |  |
Frequency of payment of principal and interest |  | 36 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term loan maturity date | Jun. 29, 2012 |  |  |  |  |  |  |  |  |  |  |  |  | Jun. 15, 2014 |  |
Line of credit facility, Amount outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.3 | 5.0
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.25% | 4.25%
Minimum cash balance |  |  |  |  |  | $ 1.0 |  |  |  |  |  |  |  |  |  |
Liquidity to debt ratio |  |  |  |  |  |  |  | 1.50 | 1.50 |  | 1.00 | 1.00 |  |  |  |
Term of the borrowing arrangement |  |  |  |  |  |  |  |  |  | 12 |  |  |  |  |  |
Extended maturity date |  |  | Jun. 30, 2012 | Jul. 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |

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