Supplementary Balance Sheet Information

12 Months Ended

Dec. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplementary Balance Sheet Information

NOTE 13 - SUPPLEMENTARY BALANCE SHEET INFORMATION:

a. Cash and cash equivalents

A significant portion of the Company’s cash and cash equivalents bears interest. The annual interest rates as of December 31, 2016 ranged up to 1.53%.

b. Marketable securities

The amortized cost basis, aggregate fair value and unrealized holding gains and losses by major security type were as follows:

Available-for-sale securities:

	December 31, 2016
	Amortized cost		Aggregate fair value		Unrealized Gains		Unrealized losses
	$ in thousands
Government and corporate bonds :
Classified as long-term*		7,146		7,012		9		(143	)
	December 31, 2015
	Amortized cost		Aggregate fair value		Unrealized Gains		Unrealized losses
	$ in thousands
Government and corporate bonds :
Classified as short-term		410		409				(1	)
Classified as long-term*		5,666		5,637				(29	)
		6,076		6,046				(30	)

* Mature in less than five years.

c. Accounts receivable:

Trade accounts receivable are presented net of an allowance for doubtful accounts, the balance and the changes in the allowance are comprised as follows:

	Year ended December 31
	2016			2015			2014
	$ in thousands
Balance at beginning of year		2,893			3,432			3,874
Increase (decrease) during the year		1,174			(206	)		485
Bad debt written off		(359	)		(333	)		(927	)
Balance at end of year		3,708			2,893			3,432

d. Accounts payable and accruals - other

	December 31
	2016		2015
	$ in thousands
Employees and employee institutions		35,832		33,784
Government departments and agencies		25,492		21,638
Derivative liabilities		9,623		1,943
Accrued expenses		43,392		37,270
Sundry		353		295
		114,692		94,930

e. Deferred income

	December 31
	2016		2015
	$ in thousands
Deferred income relating to warranty and installations commitments*		24,177		22,221
Deferred income		4,399		7,061
		28,576		29,282

* The changes in deferred revenues relating to warranty and installation commitments:

	December 31
	2016			2015
	$ in thousands
Balance at beginning of year		22,221			25,916
Revenue recognized during the year		(35,901	)		(33,372	)
Deferred revenues acquired		321
Deferred revenue relating to new sales		37,536			29,677
Balance at end of year		24,177			22,221

f. Accumulated other comprehensive income (loss)

	Year ended December 31
	2016			2015			2014
	$ in thousands
Accumulated loss in respect of derivative instruments designated for cash flows hedge, net of tax		(9,087	)		(1,477	)		(1,928	)
Accumulated realized and unrealized loss on available-for-sale securities, net		(134	)		(29	)		(52	)
		(9,221	)		(1,506	)		(1,980	)