Leases (Tables)
 6 Months Ended
Jul. 02, 2021
Leases [Abstract]  
Components of lease expense
The components of lease expense are as follows:
Three Months EndedSix Months Ended
(In thousands)July 2, 2021July 3, 2020July 2, 2021July 3, 2020
Operating lease expense$2,240 $1,308 $4,065 $4,272 
Variable lease expense213 185 415 355 
Short-term lease expense17,289 13,260 30,737 26,160 
Total lease expense$19,742 $14,753 $35,217 $30,787 
Balance sheet information related to leases
Supplemental balance sheet information related to our operating leases is as follows:
(In thousands)July 2, 2021December 31, 2020
Right-of-use assets$26,997 $18,718 
Current lease liabilities (recorded in other accrued liabilities)$5,168 $6,245 
Long-term lease liabilities (recorded in other non-current liabilities)24,103 13,970 
Total operating lease liabilities$29,271 $20,215 
Maturity of lease liabilities
Maturities of lease liabilities at July 2, 2021 were as follows:
(In thousands)Payments due
2021 (excluding the six months ended July 2, 2021)$5,945 
20225,287 
20234,612 
20243,664 
20253,146 
After 202511,634 
Total minimum lease payments34,288 
Less: Imputed interest(5,017)
Total operating lease liabilities$29,271