Employee Benefit Plans - Summary of Company's Stock Option and Restricted Stock Unit Activity (Detail) (USD $)	6 Months Ended
	Jun. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Grant, Beginning balance	8,752,000
Shares Available for Grant, Authorized	0
Shares Available for Grant, Granted	(3,195,000)
Shares Available for Grant, Options exercised	0
Shares Available for Grant, Shares released	0
Shares Available for Grant, Forfeited or cancelled	1,296,000
Shares Available for Grant, Ending balance	6,853,000
Restricted Stock Units Outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Units, Beginning balance	3,018,000
Number of Shares, Authorized	0
Number of Units, Granted	1,230,000
Number of Units, exercised	0
Number of Units, Shares released	(1,187,000)
Number of Units, Forfeited or cancelled	(132,000)
Number of Units, Ending balance	2,929,000
Weighted Average Grant Date Fair Value, Beginning balance	$ 6.34
Weighted Average Grant Date Fair Value, Authorized	$ 0
Estimated weighted average fair value per share at purchase date	$ 6.55
Weighted Average Grant Date Fair Value, Exercised	$ 0
Weighted Average Grant Date Fair Value, Shares released	$ 6.22
Weighted Average Grant Date Fair Value, Forfeited or cancelled	$ 6.26
Weighted Average Grant Date Fair Value, Ending balance	$ 6.48
Stock Options Outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Beginning balance	7,885,000
Number of Shares, Authorized	0
Number of Shares, Granted	1,349,000
Number of Shares, Options exercised	(199,000)
Number of Shares, Forfeited or cancelled	(1,285,000)
Number of Shares, Ending balance	7,750,000
Weighted Average Exercise Price, Beginning balance	$ 6.92
Weighted Average Exercise Price, Authorized	$ 0
Weighted Average Exercise Price, Granted	$ 6.49
Weighted Average Exercise Price, Options exercised	$ 5.25
Weighted Average Exercise Price, Forfeited or cancelled	$ 8.43
Weighted Average Exercise Price, Ending balance	$ 6.64