Leases (Tables)
 9 Months Ended
Sep. 27, 2019
Leases [Abstract]  
Components of lease expense
The components of lease expense are as follows:

 
Three Months Ended
 
Nine Months Ended
(In thousands)
 
September 27, 2019
 
September 27, 2019
Operating lease expense
 
$
3,827

 
$
10,890

Variable lease expense
 
196

 
594

Short-term lease expense
 
12,436

 
35,055

Total lease expense
 
$
16,459

 
$
46,539
Balance sheet information related to leases
Supplemental balance sheet information related to our operating leases is as follows:
(In thousands)
 
 
September 27, 2019
Right-of-use assets
 
 
$
18,233

 
 
 
 
Current lease liabilities (recorded in other accrued liabilities)
 
 
$
8,402

Long-term lease liabilities (recorded in other non-current liabilities)
 
 
10,683

Total operating lease liabilities
 
 
$
19,085
Maturity of lease liabilities
Maturities of lease liabilities at September 27, 2019 were as follows:
(In thousands)
 
 
2019 (excluding the nine months ended September 27, 2019)
 
$
3,832

2020
 
6,445

2021
 
3,315

2022
 
2,589

2023
 
1,426

2024 and beyond
 
4,537

    Total lease payments
 
22,144

Less: Imputed interest
 
3,059

   Total
 
$
19,085