Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 208,032	$ 170,177
Accounts receivable, net	166,718	124,072
Inventories	85,156	89,612
Other current assets	8,195	7,336
Total current assets	468,101	391,197
Property, plant, and equipment, net	94,488	108,304
Goodwill	321,093	304,032
Acquired intangibles	107,943	110,790
Other assets	4,672	3,922
Total assets	996,297	918,245
Current liabilities:
Accounts payable	96,181	69,944
Accrued expenses	83,264	70,392
Billings in excess of cost	18,234	11,352
Current maturities of long-term debt	400	400
Total current liabilities	198,079	152,088
Long-term debt	209,425	209,237
Deferred income taxes	38,162	38,002
Other non-current liabilities	45,200	58,038
Shareholders’ equity:
Preferred stock, $0.01 par value; authorized 10,000 shares; none outstanding	0	0
Common stock, $0.01 par value; authorized 50,000 shares; 32,275 shares and 32,085 shares issued and outstanding in 2017 and 2016	322	320
Additional paid-in capital	269,880	264,418
Retained earnings	249,386	211,748
Accumulated other comprehensive loss	(4,290)	(7,721)
Cost of 588 and 530 common shares held in treasury in 2017 and 2016	(9,867)	(7,885)
Total shareholders’ equity	505,431	460,880
Total liabilities and shareholders' equity	$ 996,297	$ 918,245