Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 255,912	$ 228,623
Restricted cash	5,274	5,287
Short-term investments	155,299	189,463
Trade accounts receivable, net	267,249	248,757
Inventories, net	285,518	275,869
Other current assets	52,266	50,770
Total current assets	1,021,518	998,769
Property, plant and equipment, net	169,833	174,559
Goodwill	590,502	588,585
Intangible assets, net	396,409	408,004
Long-term investments	9,933	9,858
Other assets	32,352	32,467
Total assets	2,220,547	2,212,242
Current liabilities:
Short-term borrowings and current portion of long-term debt	10,623	10,993
Accounts payable	70,493	69,337
Accrued compensation	50,034	67,728
Income taxes payable	27,469	22,794
Deferred revenue	16,197	14,463
Other current liabilities	55,580	51,985
Total current liabilities	230,396	237,300
Long-term debt	552,232	601,229
Non-current deferred taxes	64,221	66,446
Non-current accrued compensation	46,201	44,714
Other liabilities	22,092	20,761
Total liabilities	915,142	970,450
Commitments and contingencies (Note 18)
Stockholders' equity:
Preferred Stock, $0.01 par value per share, 2,000,000 shares authorized; none issued and outstanding
Common Stock, no par value, 200,000,000 shares authorized; 53,886,862 and 53,672,861 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	113	113
Additional paid-in capital	783,371	777,482
Retained earnings	550,385	494,744
Accumulated other comprehensive loss	(28,464)	(30,547)
Total stockholders' equity	1,305,405	1,241,792
Total liabilities and stockholders' equity	$ 2,220,547	$ 2,212,242

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.