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Significant Accounting Policies (Schedule Of Estimated Useful Life Of Assets) (Details)	12 Months Ended
	Dec. 31, 2012 Motor Vehicles [Member]	Dec. 31, 2012 Maximum [Member] Buildings And Leasehold Improvements [Member]		Dec. 31, 2012 Maximum [Member] Instruments, Machinery And Equipment [Member]	Dec. 31, 2012 Maximum [Member] Office Furniture And Other [Member]	Dec. 31, 2012 Maximum [Member] Motor Vehicles [Member]	Dec. 31, 2012 Minimum [Member] Buildings And Leasehold Improvements [Member]		Dec. 31, 2012 Minimum [Member] Instruments, Machinery And Equipment [Member]	Dec. 31, 2012 Minimum [Member] Office Furniture And Other [Member]	Dec. 31, 2011 Minimum [Member] Motor Vehicles [Member]
Property, Plant and Equipment, Net [Line Items]
Percentage Of Depreciation Over Estimated Useful Life Of Assets	15.00%	20.00%	[1]	33.00%	33.00%	33.00%	2.00%	[1]	3.00%	4.00%	12.00%
[1] Prepayments for operating leases and leasehold improvements are amortized generally over the term of the lease or the useful life of the assets, whichever is shorter.

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- Definition

Percentage Of Depreciation Over Estimated Useful Life Of Assets

+ References

No definition available.

+ Details

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- Details

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