Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Deferred Tax Asset (Liability) (Details)

v3.19.3.a.u2
Income Taxes - Components of Deferred Tax Asset (Liability) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Deferred tax assets:    
Net operating loss carryforwards $ 106,763 $ 116,607
Section 163(j) interest disallowance carryforward 16,535 13,387
Pension 15,946 16,397
Post retirement health 859 1,385
Transaction costs 1,272 708
Natural gas contracts and interest rate swaps 1,216 335
Unrealized translation losses 1,865 3,737
US research and development credits 1,205 1,173
Operating lease liability 14,480 0
Other 41,670 38,855
Valuation allowance (51,296) (48,711)
Deferred tax asset net of valuation 150,515 143,873
Deferred tax liabilities:    
Depreciation (108,242) (92,911)
Undistributed earnings of non-US subsidiaries 0 (6,648)
Inventory (11,481) (10,432)
Intangible assets (159,765) (174,327)
Natural gas contracts (7,354) (4,654)
Operating lease right-of-use assets (14,324) 0
Other (48,333) (32,230)
Deferred tax liability (349,499) (321,202)
Deferred Tax Liabilities, Net $ (198,984) $ (177,329)