Revenue Recognition Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2018

Deferred Revenue Disclosure [Abstract]

Schedule of Disaggregation of Revenue

The following table presents the impact of ASC 606 on Condensed Consolidated Statements of Income (Unaudited):

	Three Months Ended March 31, 2018
(Dollars in thousands)	As Reported			Service Revenues and Costs Adjustments			Pro-Forma as if Previous Accounting Guidance Was in Effect
Product revenue	$	74,970		$	9,664		$	84,634
Service revenue	9,489			(9,489		)	—
Net revenue	$	84,459		$	175		$	84,634
Product cost of goods sold	$	34,832		$	—		$	34,832
Service costs	3,409			(3,409		)	—
Total cost of goods sold	$	38,241		$	(3,409	)	$	34,832
Gross profit	46,218			3,584			49,802
Gross profit percentage	54.7		%				58.8		%
Selling expenses	21,940			3,546			25,486
General and administrative expenses	22,441			—			22,441
Operating expenses	44,381			3,546			47,927