Balance Sheet Details (Schedule of Accumulated Other Comprehensive Income) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 4,894
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	872
Other Comprehensive Income (Loss), Net of Tax	1,029
Ending Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	5,923
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	9,933
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	872
Other Comprehensive Income (Loss), Net of Tax	872
Ending Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	10,805
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	(5,039)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0
Other Comprehensive Income (Loss), Net of Tax	157
Ending Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	(4,882)
Selling, General and Administrative Expenses [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	157
Selling, General and Administrative Expenses [Member] | Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Selling, General and Administrative Expenses [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 157