Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Condensed Consolidated Statements of Operations
Net sales	$ 168,288	$ 154,281
Cost of sales	90,526	89,561
Gross profit	77,762	64,720
Operating expenses:
Research and development and other engineering	9,700	8,308
Selling	21,819	21,371
General and administrative	26,922	26,036
Gain on sale of assets	(285)	(8)
Total operating expenses	58,156	55,707
Income from operations	19,606	9,013
Interest income, net	85	38
Income before taxes	19,691	9,051
Provision for income taxes	7,604	4,256
Net income	$ 12,087	$ 4,795
Earnings per common share:
Basic (in dollars per share)	$ 0.25	$ 0.10
Diluted (in dollars per share)	$ 0.25	$ 0.10
Number of shares outstanding
Basic (in shares)	48,899	48,536
Diluted (in shares)	49,065	48,626
Cash dividends declared per common share (in dollars per share)	$ 0.125

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use; (3) to conduct internal product testing; (4) or to provide engineering support to customers in the form of testing services or product uses, specifications or requirements.

No definition available.