Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 182,379	$ 170,177
Accounts receivable, net	138,871	124,072
Inventories	86,065	89,612
Other current assets	8,351	7,336
Total current assets	415,666	391,197
Property, plant, and equipment, net	95,869	108,304
Goodwill	320,848	304,032
Acquired intangibles	110,325	110,790
Other assets	4,750	3,922
Total assets	947,458	918,245
Current liabilities:
Accounts payable	88,007	69,944
Accrued expenses	69,389	70,392
Billings in excess of cost	13,963	11,352
Current maturities of long-term debt	400	400
Total current liabilities	171,759	152,088
Long-term debt	209,229	209,237
Deferred income taxes	38,203	38,002
Other non-current liabilities	46,364	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; 32,155 shares and 32,085 shares issued and outstanding in 2017 and 2016	321	320
Additional paid-in capital	267,601	264,418
Retained earnings	228,767	211,748
Accumulated other comprehensive loss	(5,898)	(7,721)
Cost of 554 and 530 common shares held in treasury in 2017 and 2016	(8,888)	(7,885)
Total shareholders’ equity	481,903	460,880
Total liabilities and shareholders' equity	$ 947,458	$ 918,245