XML 113 R58.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee Benefit Plans And Other Postretirement Benefits (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit medical plans, description plan covers employees retiring from PCA on or after attaining age 58 who have had at least 10 years of full-time service with PCA after attaining age 48.    
Minimum retirement age for medical benefit plan coverage, years 58    
Minimum service period for medical benefit plan coverage, years 10    
Employee age after which minimum service period to be completed for medical benefit plan coverage, years 48    
Minimum age at which the avaliablility of medical coverage of retirees is curtailed 65    
Number of retirees affected by plan amendment 50    
Percentage determining the amount of unrecognized net gain or loss to be amortized 10.00%    
Expected pension contributions in next fiscal year $ 32.6    
Expected pension plan expense in next fiscal year 36.0    
Net Pension Costs [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Prior service cost, expected to be realized 6.0    
Prior service cost, expected to be realized, net of tax 3.7    
Actuarial loss, expected to be realized 4.9    
Actuarial loss, expected to be realized, net of tax 3.0    
Net Postretirement Costs [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Prior service cost, expected to be realized (0.4)    
Prior service cost, expected to be realized, net of tax 0.3    
Actuarial loss, expected to be realized 0.5    
Actuarial loss, expected to be realized, net of tax 0.3    
Defined Contribution Benefit Plan [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Company's contribution to pension plan 10.4 9.6 9.4
Retirement contribution expenses $ 3.9 $ 3.1 $ 2.8
Employee Stock Ownership Plan [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Company's common stock 2.6    
Minimum [Member] | Defined Contribution Benefit Plan [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Company's contribution to pension plan, percentage 3.00%    
Maximum [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Pactiv pension plan participation period, years five    
Maximum [Member] | Defined Contribution Benefit Plan [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Company's contribution to pension plan, percentage 5.00%