XML 93 R73.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Cumulative Effect of New Accounting Principle in Period of Adoption   $ 16,900,000  
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
U.S. Federal tax rate 35.00% 35.00% 35.00%
State and local income taxes 2.00% 2.00% (2.00%)
Tax credits 1.00% 12.00% 0.00%
Capital gain - timber 0.00% (15.00%) 0.00%
Stock-based compensation (0.00%) (2.00%) (0.00%)
Domestic manufacturing deduction (2.00%) (2.00%) (0.00%)
Valuation allowance (6.00%) (12.00%) 31.00%
Uncertain tax positions 1.00% 21.00% (4.00%)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount $ (0.03)    
Other, net (1.00%) 0.00% 2.00%
Effective tax rate (%) 23.00% 12.00% (3.00%)
Foreign tax rate      
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Effect of foreign tax rates / foreign exhchange (3.00%) (5.00%) 13.00%
Foreign Currency Gain (Loss)      
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Effect of foreign tax rates / foreign exhchange 1.00% 2.00% (8.00%)