XML 25 R27.htm IDEA: XBRL DOCUMENT v2.4.0.8
Balance Sheet Details - Summary of Accrued Warranty Obligations (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Guarantees [Abstract]        
Warranty liability at beginning of period $ 2,664 $ 1,738 $ 2,329 $ 1,525
Additions charged to operations 1,708 1,845 3,363 2,730
Deductions from liability (1,921) (909) (3,241) (1,581)
Warranty liability at end of period $ 2,451 $ 2,674 $ 2,451 $ 2,674