Basis of Presentation and New Accounting Pronouncements (Tables)

6 Months Ended

Jun. 30, 2018

Summary of Activity in Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts was as follows:

Six Months Ended June 30, 2018
Balance, beginning of period	$	973
Additions charged to costs		615
Recoveries recognized in costs		(411	)
Currency impact	$	(12	)
Balance, end of period	$	1,165

Summary of Financial Statement Affected by Application of ASU 2014-09 and Related Amendments

The amount by which each financial statement line item was affected by application of ASU 2014-09 and related amendments during the three and six-month periods ended June 30, 2018 is as follows:

Note 2 – Basis of Presentation and New Accounting Pronouncements – Continued

	Revenue Based on Previously Effective Guidance		New Revenue Standard Adjustment			Revenue Based on New Revenue Standard
Three Months Ended June 30, 2018
Product revenues	$	263,058	$	721		$	263,779
Income tax expense		3,232		(149	)		3,083
Net income		16,087		572			16,659
Basic earnings per share		0.44		0.02			0.46
Diluted earnings per share		0.44		0.02			0.45
Six Months Ended June 30, 2018
Product revenues	$	524,267	$	1,401		$	525,668
Income tax expense		6,409		(290	)		6,119
Net income		28,514		1,111			29,625
Basic earnings per share		0.78		0.03			0.81
Diluted earnings per share		0.78		0.03			0.81

	Revenue Based on Previously Effective Guidance		New Revenue Standard Adjustment			Revenue Based on New Revenue Standard
Balance Sheet June 30, 2018
Accounts receivable, net of allowance for doubtful accounts	$	200,024	$	—		$	200,024
Accrued liabilities	$	70,100	$	2,681		$	72,781
Unearned Revenue	$	3,087	$	2,681		$	5,768
Deferred income taxes, net	$	76,578	$	548		$	77,126
Accumulated earnings	$	353,824	$	(2,133	)	$	351,691