Defined Pension Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2013

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Components Of Net Pension Benefit Expense

The components of net pension benefit expense are as follows (In thousands):

	Three Months Ended
	March 31, 2013			April 1, 2012
Service cost-benefits earned	$	—		$	52
Interest cost on benefits obligation	491			513
Estimated return on assets	(591		)	(531		)
Prior service cost amortization	—			—
Loss amortization	189			158
Net periodic cost of defined pension benefit plans	$	89		$	192