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Stock repurchase plan (Details) - shares	Jun. 26, 2016	Apr. 22, 2009
Stock repurchase plan
Aggregate number of shares of common stock the Company may repurchase under the plan		3,016,000
Shares available to repurchase under the plan.	848,425

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- Definition

Aggregate number of shares of common stock the Company may repurchase under the plan

+ References

No definition available.

+ Details

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- Definition

Shares available to repurchase under the plan.

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No definition available.

+ Details

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- References

No definition available.

+ Details

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Balance Type:	na
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