XML 106 R85.htm IDEA: XBRL DOCUMENT v3.3.1.900
Retirement Plans and Post Retirement Benefits Defined Contribution Plans and Other Benefit Plans (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Defined Contribution Plans [Abstract]      
Expenses related to defined contribution plans and multiemployer plan $ 8.0 $ 5.6 $ 8.3
Funded status $ (93.4) (96.1)  
Deferred Compensation Arrangements [Abstract]      
Deferred compensation plan maximum deferral percentage 90.00%    
Deferred compensation plan, employer contributions and related earnings, maximum vesting period 5 years    
Deferred compensation liability included in "Other long-term liabilities" $ (2.0) (2.1)  
U.S. 401(k) Plans      
Defined Contribution Plans [Abstract]      
Maximum percentage of employee's wages eligible for company match 5.00%    
Shares of LP common stock included in plan assets 2.2    
Total market value of plan assets represented by LP common stock 11.70%    
Canada Defined Contribution Plans      
Defined Contribution Plans [Abstract]      
Maximum percentage of employee's wages eligible for company match 3.00%    
Percentage of base contribution 2.50%    
Employer matching percentage 50.00%    
Other Postretirement Benefits      
Defined Contribution Plans [Abstract]      
Funded status $ 7.5 $ 8.0