Property, Plant And Equipment (Tables)

3 Months Ended

Mar. 30, 2014

Property, Plant And Equipment [Abstract]

Components Of Property, Plant And Equipment

	March 30, 2014		December 28, 2013
Land and improvements	$	9,998	$	9,777
Buildings and improvements		135,747		135,468
Machinery and equipment		686,638		678,311
Software		33,471		33,476
Capital leases		597		309
Construction in progress		8,304		13,485
		874,755		870,826
Accumulated depreciation		(631,991)		(625,593)
	$	242,764	$	245,233

Schedule Of Depreciation Expense

	For the Three		For the Three
	Months Ended		Months Ended
Depreciation Expense	March 30, 2014		March 31, 2013
Cost of sales	$	6,052	$	6,265
Selling, general and administrative expenses		731		660
	$	6,783	$	6,925