Income (Loss) Per Share - Numerators and Denominators of Basic and Diluted Net Income (Loss) Per Share Computations (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013
Numerator:
Loss from continuing operations	$ (37,062)	$ (3,404)	$ (42,472)	$ (12,907)
Income (loss) from discontinued operations	0	(396)	0	15,528
Net income (loss)	$ (37,062)	$ (3,800)	$ (42,472)	$ 2,621
Denominator:
Weighted average number of common shares outstanding basic and diluted	93,966	109,938	95,899	112,534
Basic and diluted net income (loss) per share from:
Continuing Operations	$ (0.39)	$ (0.03)	$ (0.44)	$ (0.11)
Discontinued Operations	$ 0.00	$ 0.00	$ 0.00	$ 0.14
Net income (loss)	$ (0.39)	$ (0.03)	$ (0.44)	$ 0.02