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Contingent Liabilities
6 Months Ended
Dec. 31, 2011
Contingent Liabilities [Abstract]  
Contingent Liabilities
2.   Contingent Liabilities
    Environmental Matters
    We are currently involved in several environmental-related proceedings by certain governmental agencies, which relate primarily to allegedly operating certain of our facilities in noncompliance with required permits. In addition to these proceedings, in the normal course of our business, we are subject to, among other things, periodic inspections by regulatory agencies. We continue to dedicate substantial operational and financial resources to environmental compliance, and we remain fully committed to operating in compliance with all environmental laws and regulations. As of December 31, 2011 and July 2, 2011, we had reserves of approximately $1.3 million and $1.4 million, respectively, related to various pending environmental-related matters. There was no expense for these matters for the three and six months ended December 31, 2011 and January 1, 2011.
    We cannot predict the ultimate outcome of any of these matters with certainty and it is possible that we may incur additional losses in excess of established reserves. However, we believe the possibility of a material adverse effect on our results of operations or financial position is remote.