Deferred Service Contract Revenue (Tables)

6 Months Ended

Jun. 30, 2013

Deferred Service Contract Revenue [Abstract]

Changes in deferred service contract revenue

The following table provides changes in deferred service contract revenue for the six-month periods ended June 30, 2013 and 2012 (in thousands):

	June 30
	2013			2012
Beginning Balance	$	8,539		$	5,838
Add:         Payments received		7,140			6,033
Add:         Contract revenue assumed with business acquisition		—			780
Less:         Revenue recognized		(5,964	)		(5,645	)
Ending Balance	$	9,715		$	7,006

Costs incurred under service contracts were $5.2 million and $3.6 million for the six-month periods ended June 30, 2013 and 2012, which were recognized as incurred.