Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Mar. 30, 2014	Dec. 31, 2013
Accounts receivable, less allowance for doubtful accounts	$ 2,454	$ 2,912
Common stock, par value	$ 0.125	$ 0.125
Common stock, shares authorized	1,000,000	1,000,000
Common stock, shares issued	194,019	191,731
Common stock, shares outstanding	194,019	191,731