Employee Benefit Plans - Summary of Company's Stock Option and Restricted Stock Unit Activity (Detail) (USD $)	9 Months Ended
	Sep. 27, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Grant, Beginning balance	10,155,000
Shares Available for Grant, Authorized	0
Shares Available for Grant, Granted	(3,361,000)
Shares Available for Grant, Options exercised	0
Shares Available for Grant, Shares released	0
Shares Available for Grant, Forfeited or cancelled	2,015,000
Shares Available for Grant, Ending balance	8,809,000
Restricted Stock Units Outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Units, Beginning balance	3,938,000
Number of Shares, Authorized	0
Number of Units, Granted	1,333,000
Number of Units, exercised	0
Number of Units, Shares released	(1,622,000)
Number of Units, Forfeited or cancelled	(418,000)
Number of Units, Ending balance	3,231,000
Weighted Average Grant Date Fair Value, Beginning balance	$ 6.44
Weighted Average Grant Date Fair Value, Authorized	$ 0.00
Weighted Average Grant Date Fair Value, Granted	$ 5.84
Weighted Average Grant Date Fair Value, Exercised	$ 0.00
Weighted Average Grant Date Fair Value, Shares released	$ 6.28
Weighted Average Grant Date Fair Value, Forfeited or cancelled	$ 6.51
Weighted Average Grant Date Fair Value, Ending balance	$ 6.27
Stock Options Outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Beginning balance	8,900,000
Number of Shares, Authorized	0
Number of Shares, Granted	1,360,000
Number of Shares, Options exercised	(788,000)
Number of Shares, Forfeited or cancelled	(1,461,000)
Number of Shares, Ending balance	8,011,000
Weighted Average Exercise Price, Beginning balance	$ 6.83
Weighted Average Exercise Price, Authorized	$ 0.00
Weighted Average Exercise Price, Granted	$ 5.81
Weighted Average Exercise Price, Options exercised	$ 4.15
Weighted Average Exercise Price, Forfeited or cancelled	$ 6.92
Weighted Average Exercise Price, Ending balance	$ 6.90