Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 160,901	$ 170,177
Accounts receivable, net	128,482	124,072
Inventories	86,943	89,612
Other current assets	5,957	7,336
Total current assets	382,283	391,197
Property, plant, and equipment, net	98,691	108,304
Goodwill	320,411	304,032
Acquired intangibles	112,533	110,790
Other assets	4,548	3,922
Total assets	918,466	918,245
Current liabilities:
Accounts payable	76,894	69,944
Accrued expenses	66,253	70,392
Billings in excess of cost	14,452	11,352
Current maturities of long-term debt	400	400
Total current liabilities	157,999	152,088
Long-term debt	209,433	209,237
Deferred income taxes	38,089	38,002
Other non-current liabilities	46,640	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; 32,133 shares and 32,085 shares issued and outstanding in 2017 and 2016	321	320
Additional paid-in capital	265,809	264,418
Retained earnings	215,998	211,748
Accumulated other comprehensive loss	(7,016)	(7,721)
Cost of 552 and 530 common shares held in treasury in 2017 and 2016	(8,807)	(7,885)
Total shareholders’ equity	466,305	460,880
Total liabilities and shareholders' equity	$ 918,466	$ 918,245