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Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

For financial reporting purposes, depreciation is computed using the straight-line method over the following estimated useful lives:


Buildings and improvements			15 to 40 years

Machinery and equipment			3 to 20 years

Tools and dies			3 to 7 years

Computer hardware and software			3 to 5 years

The following presents a summary of the warranty provision for the years ended December 31 (in thousands):


	2013			2012
Balance — Beginning of the year	$	3,239		$	2,777
Provisions for new warranties issued		5,084			2,614
Changes in provision for preexisting warranties		107			113
Deduction for payments made		(3,914	)		(2,286	)
Currency translation adjustment		13			21

Balance — End of year	$	4,529		$	3,239

Customers that accounted for a significant portion of consolidated revenues for each of the three years ended December 31 were as follows:

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.