Investments	12 Months Ended
Dec. 30, 2011
Investments, Debt and Equity Securities [Abstract]
Investments	(5) Investments During the years ended December 25, 2009 and December 31, 2010, we held securities designated as held for sale in an irrevocable grantor trust (“Rabbi Trust”) that were designated to fund the benefit payments to participants in our defined benefit supplemental retirement plan. A settlement of the retirement benefits related to this plan was triggered by the 2010 sale of Electrical. As a result of this settlement, we funded approximately $6.2 million to the Rabbi Trust in the fourth quarter of 2010, which was subsequently used to settle the obligations of our defined benefit supplemental retirement plan. As a result, at December 31, 2010 we no longer held any investments designated as available for sale. In the years ended December 31, 2010, we recognized approximately $(0.1) million of unrealized holding loss as a component of accumulated other comprehensive income, which was a result of recognizing these securities at their fair values.

Investments

12 Months Ended

Dec. 30, 2011

Investments, Debt and Equity Securities [Abstract]

(5) Investments

During the years ended December 25, 2009 and December 31, 2010, we held securities designated as held for sale in an irrevocable grantor trust (“Rabbi Trust”) that were designated to fund the benefit payments to participants in our defined benefit supplemental retirement plan. A settlement of the retirement benefits related to this plan was triggered by the 2010 sale of Electrical. As a result of this settlement, we funded approximately $6.2 million to the Rabbi Trust in the fourth quarter of 2010, which was subsequently used to settle the obligations of our defined benefit supplemental retirement plan. As a result, at December 31, 2010 we no longer held any investments designated as available for sale. In the years ended December 31, 2010, we recognized approximately $(0.1) million of unrealized holding loss as a component of accumulated other comprehensive income, which was a result of recognizing these securities at their fair values.