The following is a summary of total inception to date charges, net of adjustments, related to the 2020 Realignment Program initiated in 2020: Restructuring charges represent costs associated with the relocation or reorganization of certain business activities and facility closures and include costs related to employee severance at closed facilities, contract termination costs, asset write-downs and other costs. Severance costs primarily include costs associated with involuntary termination benefits. Contract termination costs include costs related to the termination of operating leases or other contract termination costs. Asset write-downs include accelerated depreciation of fixed assets, accelerated amortization of intangible assets, divestiture of certain non-strategic assets and inventory write-downs. Other costs generally include costs related to employee relocation, asset relocation, vacant facility costs (i.e., taxes and insurance) and other charges. The following is a summary of restructuring charges, net of adjustments, for our restructuring activities. Restructuring charges incurred in 2020 related to our 2020 Realignment Program and restructuring charges incurred in 2019 related to our 2015 Realignment Programs: 2020 Realignment Program Inception to Date  (Amounts in thousands) FPD FCD Subtotal– Reportable Segments All Other Consolidated Total Restructuring Charges COS $ 17,829  $ 1,227  $ 19,056  $ —  $ 19,056  SG&A 51  325  376  —  376  $ 17,880  $ 1,552  $ 19,432  $ —  $ 19,432  Non-Restructuring Charges COS $ 19,203  $ (473) $ 18,730  $ 52  $ 18,782  SG&A 10,681  4,554  15,235  17,882  33,117  $ 29,884  $ 4,081  $ 33,965  $ 17,934  $ 51,899  Total Realignment Charges COS $ 37,032  $ 754  $ 37,786  $ 52  $ 37,838  SG&A 10,732  4,879  15,611  17,882  33,493  Total $ 47,764  $ 5,633  $ 53,397  $ 17,934  $ 71,331  December 31, 2020  (Amounts in thousands) Severance Contract Termination Asset Write- Downs Other Total COS $ 16,927  $ 52  $ 1,409  $ 2,244  $ 20,632  SG&A 223  —  11  241  475  Total $ 17,150  $ 52  $ 1,420  $ 2,485  $ 21,107  114