Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Schedule Changes in Accounting Principles

The following table summarizes the effect of this accounting change on our condensed consolidated statements of operations for the quarter ended June 30, 2015:

	Quarter Ended June 30, 2015
(Dollars in thousands, except per share amounts)	As Originally Reported Under LIFO		As Adjusted under FIFO		Effect of Change
Cost of sales	$	102,509	$	102,437	$	(72	)
Net income	$	13,540	$	13,554	$	14
Basic earnings per share	$	0.73	$	0.73	$	—
Diluted earnings per share	$	0.71	$	0.71	$	—

The following table summarizes the effect of this accounting change on our condensed consolidated statements of operations for the six months ended June 30, 2015:

	Six Months Ended June 30, 2015
(Dollars in thousands, except per share amounts)	As Originally Reported Under LIFO		As Adjusted under FIFO		Effect of Change
2015
Cost of sales	$	205,205	$	205,063	$	(142	)
Net income	$	27,167	$	27,197	$	30
Basic earnings per share	$	1.46	$	1.47	$	—
Diluted earnings per share	$	1.43	$	1.43	$	—

Inventories

Inventories were as follows at the end of the periods noted below:

(Dollars in thousands)	June 30, 2016		December 31, 2015
Raw materials	$	32,070	$	35,499
Work-in-process	22,284		22,804
Finished goods	33,903		33,521
Total Inventories	$	88,257	$	91,824