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Balance Sheet Components
 6 Months Ended
Jun. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Balance Sheet Components Balance Sheet Components
Balance sheet details as of June 30, 2019 and December 31, 2018 are presented in the tables below:
 
June 30,
2019
 
December 31,
2018
 
(In thousands)
Inventories:
 
 
 
Raw materials
$
34,867

 
$
32,511

Work in process
7,867

 
8,726

Finished goods
61,172

 
59,631

Total inventories
$
103,906

 
$
100,868

 
 
 
 
Other long-term assets:
 
 
 
Capitalized software, net
$
71,434

 
$
56,819

Unbilled receivables
13,630

 
16,481

Other assets
1,103

 
1,313

Total other long-term assets, net
$
86,167

 
$
74,613

 
 
 
 
Accrued liabilities:
 
 
 
Operating lease liabilities, current portion
$
10,286

 
$
—

Advance payments from customers
6,494

 
8,993

Rebates and lease buyouts
13,031

 
11,076

Group purchasing organization fees
4,668

 
4,455

Taxes payable
4,038

 
5,885

Other accrued liabilities
16,053

 
12,638

Total accrued liabilities
$
54,570

 
$
43,047


The following tables summarize the changes in accumulated balances of other comprehensive income (loss) for the three and six months ended June 30, 2019 and 2018:
 
Three months ended June 30,
 
2019
 
2018
 
Foreign currency translation adjustments
 
Unrealized gain (loss) on interest rate swap hedges
 
Total
 
Foreign currency translation adjustments
 
Unrealized gain (loss) on interest rate swap hedges
 
Total
 
(In thousands)
Beginning balance
$
(10,605
)
 
$
103

 
$
(10,502
)
 
$
(4,482
)
 
$
1,043

 
$
(3,439
)
Other comprehensive income (loss) before reclassifications
(971
)
 
48

 
(923
)
 
(4,414
)
 
195

 
(4,219
)
Amounts reclassified from other comprehensive income (loss), net of tax
—

 
(151
)
 
(151
)
 
—

 
(285
)
 
(285
)
Net current-period other comprehensive income (loss), net of tax
(971
)
 
(103
)
 
(1,074
)
 
(4,414
)
 
(90
)
 
(4,504
)
Ending balance
$
(11,576
)
 
$
—

 
$
(11,576
)
 
$
(8,896
)
 
$
953

 
$
(7,943
)

 
Six months ended June 30,
 
2019
 
2018
 
Foreign currency translation adjustments
 
Unrealized gain (loss) on interest rate swap hedges
 
Total
 
Foreign currency translation adjustments
 
Unrealized gain (loss) on interest rate swap hedges
 
Total
 
(In thousands)
Beginning balance
$
(11,274
)
 
$
420

 
$
(10,854
)
 
$
(6,954
)
 
$
841

 
$
(6,113
)
Other comprehensive income (loss) before reclassifications
(302
)
 
148

 
(154
)
 
(1,942
)
 
596

 
(1,346
)
Amounts reclassified from other comprehensive income (loss), net of tax
—

 
(568
)
 
(568
)
 
—

 
(484
)
 
(484
)
Net current-period other comprehensive income (loss), net of tax
(302
)
 
(420
)
 
(722
)
 
(1,942
)
 
112

 
(1,830
)
Ending balance
$
(11,576
)
 
$
—

 
$
(11,576
)
 
$
(8,896
)
 
$
953

 
$
(7,943
)