Balance Sheet Details (Schedule of Accumulated Other Comprehensive Income) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 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	1,942
Other Comprehensive Income (Loss), Net of Tax	2,020
Ending Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	6,914
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	1,942
Other Comprehensive Income (Loss), Net of Tax	1,942
Ending Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	11,875
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	78
Ending Balance, Accumulated Other Comprehensive Income (Loss), Net of Tax	(4,961)
Selling, General and Administrative Expenses [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	78
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	0
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	$ 78