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Supplemental Financial Information (Tables)
3 Months Ended
Mar. 31, 2021
Balance Sheet Related Disclosures [Abstract]  
Inventories
Inventories consisted of the following (in thousands):
March 31, 2021December 31, 2020
Raw materials$42,907 $43,257 
Work-in-process9,755 8,055 
Finished goods71,861 75,363 
 $124,523 $126,675 
Accrued Liabilities
Accrued liabilities and other consisted of the following (in thousands):
March 31, 2021December 31, 2020
Legal and administrative costs$15,650 $15,820 
Operating lease liabilities11,535 11,276 
Contingent consideration (1)
9,424 13,968 
Contract liabilities9,234 6,929 
Restructuring related liabilities (2)
5,569 6,258 
Derivative contract liabilities (3)
2,065 7,372 
Research and development costs4,752 4,257 
Provisions for agents, returns and other2,377 3,063 
Other accrued expenses31,428 26,465 
$92,034 $95,408 
(1)Refer to “Note 5. Fair Value Measurements”
(2)Refer to “Note 3. Restructuring”
(3)Refer to “Note 7. Derivatives and Risk Management”