Employee Benefit Plans - Summary of Company's Stock Option and Restricted Stock Unit Activity (Detail) shares in Thousands	9 Months Ended
	Oct. 02, 2015 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Grant, Beginning balance	7,480
Shares Available for Grant, Authorized	0
Shares Available for Grant, Granted	(4,000)
Shares Available for Grant, Options exercised	0
Shares Available for Grant, Shares released	0
Shares Available for Grant, Forfeited or cancelled	1,887
Shares Available for Grant, Ending balance	5,367
Restricted Stock Units Outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Units, Beginning balance	2,241
Number of Shares, Authorized	0
Number of Units, Granted	1,895
Number of Units, exercised	0
Number of Units, Shares released	(1,526)
Number of Units, Forfeited or cancelled	(189)
Number of Units, Ending balance	2,421
Weighted Average Grant Date Fair Value, Beginning balance | $ / shares	$ 6.40
Weighted Average Grant Date Fair Value, Authorized | $ / shares	0
Estimated weighted average fair value per share at purchase date | $ / shares	7.17
Weighted Average Grant Date Fair Value, Exercised | $ / shares	0
Weighted Average Grant Date Fair Value, Shares released | $ / shares	6.47
Weighted Average Grant Date Fair Value, Forfeited or cancelled | $ / shares	6.79
Weighted Average Grant Date Fair Value, Ending balance | $ / shares	$ 6.99
Stock Options Outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Beginning balance	7,255
Number of Shares, Authorized	0
Number of Shares, Granted	1,156
Number of Shares, Options exercised	(748)
Number of Shares, Forfeited or cancelled	(1,606)
Number of Shares, Ending balance	6,057
Weighted Average Exercise Price, Beginning balance | $ / shares	$ 6.65
Weighted Average Exercise Price, Authorized | $ / shares	0
Weighted Average Exercise Price, Granted | $ / shares	7.58
Weighted Average Exercise Price, Options exercised | $ / shares	5.32
Weighted Average Exercise Price, Forfeited or cancelled | $ / shares	8.05
Weighted Average Exercise Price, Ending balance | $ / shares	$ 6.62