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Reconciliation of Beginning and Ending Balance of Total Unrecognized Tax Benefits (Detail) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Dec. 31, 2010
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Jun. 30, 2011
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Jun. 30, 2010
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Jun. 30, 2009
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Jul. 01, 2012
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| Reconciliation of beginning and ending balance of total unrecognized tax benefits | ||||||
| Beginning balance | $ 519 | $ 374 | $ 374 | $ 185 | $ 98 | $ 500 |
| Additions | 191 | 73 | 145 | 189 | 87 | |
| Reductions | ||||||
| Ending balance | $ 710 | $ 447 | $ 519 | $ 374 | $ 185 | $ 500 |