Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities
Net earnings	$ 73,865	$ 1,316	$ 60,711
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	80,414	84,859	85,543
Other income from Navitor (see Note 4)	0	0	(12,888)
Intangible asset impairment charges	0	20,189	0
Amortization of deferred financing costs and debt discount	0	532	2,112
Realized gains from sales of marketable securities	(9)	0	(14)
Amortization of premium/discount on marketable securities	1,823	(122)	3,233
Change in fair value of contingent consideration	(6,110)	(1,517)	(510)
Share-based compensation expense	27,755	26,759	17,568
Deferred income tax benefit	(20,136)	(25,714)	(26,324)
Inventory valuation write-down	8,876	8,023	10,442
Other noncash adjustments, net	7,525	5,897	1,196
Changes in operating assets and liabilities:
Accounts receivable	2,078	18,765	(16,366)
Inventories	15,806	6,110	(17,858)
Prepaid expenses and other assets	(19,352)	(334)	12,303
Accrued product returns and rebates	14,431	2,609	18,941
Accounts payable and other liabilities	(15,015)	(36,287)	(19,163)
Payment of contingent consideration	0	0	(2,100)
Net cash provided by operating activities	171,951	111,085	116,826
Cash flows from investing activities
Purchases of marketable securities	(688,013)	(101,621)	(406,990)
Maturities of marketable securities	498,871	370,901	190,739
Purchases of property and equipment	(725)	(551)	(412)
Net cash provided by (used in) investing activities	(189,867)	268,729	(216,663)
Cash flows from financing activities
Proceeds from Credit Line	0	93,000	0
Payments on Credit Line	0	(93,000)	0
Payment on convertible notes	0	(402,500)	0
Proceeds from issuance of common stock	14,908	6,610	12,423
Employee taxes paid related to net share settlement of equity awards	(2,715)	(1,990)	0
Payment of contingent consideration	0	0	(22,900)
Net cash provided by (used in) financing activities	12,193	(397,880)	(10,477)
Net change in cash and cash equivalents	(5,723)	(18,066)	(110,314)
Cash and cash equivalents at beginning of year	75,054	93,120	203,434
Cash and cash equivalents at end of year	69,331	75,054	93,120
Supplemental cash flow information
Cash paid for income taxes	53,254	36,602	16,200
Cash paid for interest on debt	0	1,946	2,516
Noncash investing and financing activities
Property and equipment additions from utilization of tenant improvement allowance	$ 0	$ 0	$ 580