XML 41 R109.htm IDEA: XBRL DOCUMENT v2.4.0.8
Multiemployer plans (Details 14) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Multiemployer Plans [Line Items]      
Multiemployer plan red zone status funded percentage, maximum 65.00%    
Multiemployer plan yellow zone status funded percentage, minimum 65.00%    
Mulitiemployer plan yellow status funded percentage, maximum 80.00%    
Multiemployer plan green zone status funded percentage, minimum 80.00%    
Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Multiemployer plan, period contributions $ 39,260 $ 34,779 $ 29,158
Edison Pension Plan [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 936061681    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Green Green  
Multiemployer plans, certified zone status, date Dec. 31, 2013 Dec. 31, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan No    
Multiemployer plan, period contributions 6,358 5,171 2,700
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Dec. 31, 2014    
IBEW Local 38 Pension Plan [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 346574238    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Yellow Yellow  
Multiemployer plans, certified zone status, date Apr. 30, 2013 Apr. 30, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan Implemented    
Multiemployer plan, period contributions 1,041 2,771 1,469
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Apr. 27, 2014    
IBEW Local No. 82 Pension Plan [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 316127268    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Red Red  
Multiemployer plans, certified zone status, date Jun. 30, 2013 Jun. 30, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan Implemented    
Multiemployer plan, period contributions 1,284 1,093 1,331
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Nov. 30, 2014    
IBEW Local 648 Pension Plan [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 316134845    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Red Red  
Multiemployer plans, certified zone status, date Feb. 28, 2013 Feb. 29, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan Implemented    
Multiemployer plan, period contributions 1,489 564 722
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Aug. 31, 2015    
Laborers Pension Trust Fund for Northern California [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 946277608    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Yellow Yellow  
Multiemployer plans, certified zone status, date May 31, 2013 May 31, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan Implemented    
Multiemployer plan, period contributions 921 567 628
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Jun. 30, 2016    
National Electrical Benefit Fund [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 530181657    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Green Green  
Multiemployer plans, funding improvement plan and rehabilitation plan No    
Multiemployer plan, period contributions 5,883 5,603 4,841
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Aug. 31, 2017    
Multiemployer plans, collective-bargaining, date range - initial May 31, 2012 [1]    
OE Pension Trust Fund [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 946090764    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Yellow Yellow  
Multiemployer plans, certified zone status, date   Dec. 31, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan Implemented    
Multiemployer plan, period contributions 1,510 1,156 1,367
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Mar. 31, 2026    
Multiemployer plans, collective-bargaining, date range - initial Jun. 30, 2013 [1]    
Operating Engineers Local 800 and WY Contractors Association Pension Plan for WY [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 836011320    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Red Red  
Multiemployer plans, certified zone status, date Dec. 31, 2013 Dec. 31, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan Implemented    
Multiemployer plan, period contributions 76 91 96
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Oct. 31, 2005 [1]    
Operating Engineers Pension Trust [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 956032478    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Red Red  
Multiemployer plans, certified zone status, date Jun. 30, 2013 Jun. 30, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan Implemented    
Multiemployer plan, period contributions 493 761 458
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Jul. 20, 2014    
Multiemployer plans, collective-bargaining, date range - initial Jul. 01, 2013 [1]    
Pension and Retirement Plan of Plumbers and Pipefitters Union Local No. 525 [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 886003864    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Green Green  
Multiemployer plans, certified zone status, date Jun. 30, 2012 Jun. 30, 2011  
Multiemployer plans, funding improvement plan and rehabilitation plan No    
Multiemployer plan, period contributions 1,657 1,202 759
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date May 31, 2010 [1]    
Sheet Metal Workers Pension Plan of Southern CA, AZ, and NV [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Entity tax identification number 956052257    
Multiemployer plan number 001    
Multiemployer plans, certified zone status Red Red  
Multiemployer plans, certified zone status, date Dec. 31, 2013 Dec. 31, 2012  
Multiemployer plans, funding improvement plan and rehabilitation plan Implemented    
Multiemployer plan, period contributions 512 467 336
Multiemployer plans, surcharge No    
Multiemployer plans, collective-bargaining arrangement, expiration date Jun. 30, 2014    
Other funds [Member] | Multiemployer plans, pension [Member]
      
Multiemployer Plans [Line Items]      
Multiemployer plan, period contributions $ 18,036 $ 15,333 $ 14,451
[1] Plan includes collective bargaining agreements which have expired. The agreements contain provisions that automatically renew the existing contracts in lieu of a new negotiated collective bargaining agreement.