Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property Plant And Equipment [Abstract]

Composition of Assets, Grouped by Major Classifications

Composition of assets, grouped by major classifications, is as follows:

	December 31
	2015		2014
	$ in thousands
Cost:
Machinery and equipment		51,070		47,168
Leasehold improvements		45,808		43,950
Land and Buildings		13,334		13,334
Office furniture, equipment		15,792		15,564
Computer equipment		55,872		47,702
Motor vehicles		398		455
		182,274		168,174
Less - accumulated depreciation and amortization		123,292		112,594
		58,982		55,580