Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 28, 2012	Dec. 30, 2011
Pulse Electronics Corporation shareholders' deficit:
Common stock, shares authorized (in shares)	175,000,000	175,000,000
Common stock, shares outstanding (in shares)	79,473,375	41,980,520
Common stock, par value per share (in dollars per share)	$ 0.125	$ 0.125