Note 8. Stockholders' Equity (Detail) - Statement of Stockholders’ Equity (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 23, 2012	Sep. 25, 2011	Sep. 23, 2012	Sep. 25, 2011	Dec. 24, 2011
Balance at December 25, 2011			$ 33,953		$ 33,953
Net loss	(30,333)	(29,832)	(211,053)	(71,018)
Exercise of stock options			85
Performance accelerated restricted stock			43
Stock-based compensation			106
Issuance of common stock warrants			16,912
Other			43
Balance at September 23, 2012	(159,911)		(159,911)		33,953
Common Stock [Member] | Common Class A [Member]
Balance at December 25, 2011 (in Shares)					22,548,741
Balance at December 25, 2011					112,744
Exercise of stock options (in Shares)			39,664
Exercise of stock options			198
Performance accelerated restricted stock (in Shares)			134,740
Performance accelerated restricted stock			674
Other (in Shares)			410
Other			2
Balance at September 23, 2012 (in Shares)	22,723,555		22,723,555		22,548,741
Balance at September 23, 2012	113,618		113,618		112,744
Common Stock [Member] | Common Class B [Member]
Balance at December 25, 2011					2,743
Balance at September 23, 2012	2,743		2,743		2,743
Additional Paid-in Capital [Member]
Balance at December 25, 2011					28,711
Exercise of stock options			(113)
Performance accelerated restricted stock			(767)
Stock-based compensation			106
Issuance of common stock warrants			16,912
Other			41
Balance at September 23, 2012	44,890		44,890		28,711
Accumulated Other Comprehensive Income (Loss) [Member]
Balance at December 25, 2011					(185,116)
Balance at September 23, 2012	(185,116)		(185,116)		(185,116)
Retained Earnings [Member]
Balance at December 25, 2011					74,871
Net loss			(211,053)
Performance accelerated restricted stock			136
Balance at September 23, 2012	$ (136,046)		$ (136,046)		$ 74,871