XML 22 R57.htm IDEA: XBRL DOCUMENT v2.4.0.6
Retirement Plans (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 12 Months Ended
Jan. 31, 2009
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Defined Benefit Plan Disclosure [Line Items]        
Number of actuarial equivalent installments 10      
Cost of plan amount   $ 733 $ 604 $ 649
Obligation under deferred compensation plan included in other liabilities   1,118 1,230  
Investment in mutual funds included in other assets   1,118 1,230  
Common shares held in trust (in shares)   49,121 49,121  
Common shares held in trust, value   559 353  
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   53,900 49,104  
(Level 1) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
(Level 2) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   51,740 47,004  
(Level 3) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   2,160 2,100  
Domestic and International Equity Securities [Member]
       
Benefit payments expected to be paid out of the plans [Abstract]        
Target plan asset allocations range minimum (in hundredths)   30.00%    
Target plan asset allocations range maximum (in hundredths)   80.00%    
Equity Securities U.S. Companies [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   19,238 17,403  
Equity Securities U.S. Companies [Member] | (Level 1) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
Equity Securities U.S. Companies [Member] | (Level 2) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   19,238 17,403  
Equity Securities U.S. Companies [Member] | (Level 3) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
Equity Securities International Companies [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   10,337 9,481  
Equity Securities International Companies [Member] | (Level 1) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
Equity Securities International Companies [Member] | (Level 2) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   10,337 9,481  
Equity Securities International Companies [Member] | (Level 3) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
U.S. fixed income [Member]
       
Benefit payments expected to be paid out of the plans [Abstract]        
Target plan asset allocations range minimum (in hundredths)   25.00%    
Target plan asset allocations range maximum (in hundredths)   45.00%    
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   17,625 16,136  
U.S. fixed income [Member] | (Level 1) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
U.S. fixed income [Member] | (Level 2) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   15,465 14,036  
U.S. fixed income [Member] | (Level 3) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   2,160 2,100  
All other investments [Member]
       
Benefit payments expected to be paid out of the plans [Abstract]        
Target plan asset allocations range minimum (in hundredths)   0.00%    
Target plan asset allocations range maximum (in hundredths)   10.00%    
Commodities [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   4,131 3,756  
Commodities [Member] | (Level 1) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
Commodities [Member] | (Level 2) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   4,131 3,756  
Commodities [Member] | (Level 3) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
TIPS [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   2,569 2,328  
TIPS [Member] | (Level 1) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
TIPS [Member] | (Level 2) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   2,569 2,328  
TIPS [Member] | (Level 3) [Member]
       
Fair values of pension plan assets by asset category [Abstract]        
Fair value of plan assets   0 0  
Domestic [Member]
       
Change in benefit obligation        
Benefit obligation, beginning of year   75,430 66,268  
Service cost   0 0 0
Interest cost   3,284 3,462 3,519
Actuarial loss   4,699 8,904  
Benefits paid   (3,455) (3,204)  
Currency translation affect   0 0  
Benefit obligation, end of year   79,958 75,430 66,268
Change in plan assets        
Fair value of plan assets, beginning of period   49,104 47,323  
Actual return on plan assets   5,945 619  
Contributions   2,306 4,366  
Benefits paid   (3,455) (3,204)  
Fair value of plan assets, end of period   53,900 49,104 47,323
Unfunded status   (26,058) (26,326)  
Accrued benefit cost, end of period   (26,058) (26,326)  
Amounts recognized in AOCI [Abstract]        
Actuarial loss   32,646 31,083  
Prior service cost/(benefit)   0 60  
Accumulated other comprehensive income   32,646 31,143  
Components of net periodic benefit cost [Abstract]        
Service cost   0 0 0
Interest cost   3,284 3,462 3,519
Expected return on plan assets   (3,674) (3,787) (3,177)
Amortization of prior service cost/(benefit)   60 436 436
Recognized actuarial loss   864 458 429
Net periodic benefit cost   534 569 1,207
Estimated amounts that will be amortized from AOCI into net periodic benefit cost in 2013 [Abstract]        
Actuarial loss   937    
Prior service cost/(benefit)   0    
Total   937    
Major assumptions used in determining the benefit obligations [Abstract]        
Discount rate (in hundredths)   3.90% 4.45%  
Major assumptions used in determining the net benefit cost [Abstract]        
Discount rate (in hundredths)   4.45% 5.35% 5.90%
Expected return on plan assets (in hundredths)   7.50% 7.50% 7.50%
Aggregate accumulated benefit obligation   79,958    
Aggregate ABO exceeds plan assets   26,058    
Expected contribution in cash to Domestic Pension Plan in 2013   985    
Benefit payments expected to be paid out of the plans [Abstract]        
2013   3,201    
2014   3,434    
2015   3,435    
2016   3,408    
2017   3,560    
2018-2022   19,994    
Domestic [Member] | (Level 3) [Member]
       
Summary of the changes in the fair value of the Domestic Plans Level 3 assets [Abstract]        
Fair value of plan assets, beginning of period   2,100    
Relating to assets still held at the reporting date   113    
Purchases, issuances, and settlements   (53)    
Fair value of plan assets, end of period   2,160    
International [Member]
       
Change in benefit obligation        
Benefit obligation, beginning of year   23,020 20,877  
Service cost   660 611 577
Interest cost   795 944 857
Actuarial loss   1,852 2,034  
Benefits paid   (755) (744)  
Currency translation affect   1,461 (702)  
Benefit obligation, end of year   27,033 23,020 20,877
Change in plan assets        
Benefits paid   (755) (744)  
Unfunded status   (27,033) (23,020)  
Amounts recognized in AOCI [Abstract]        
Actuarial loss   7,354 5,658  
Prior service cost/(benefit)   (31) (38)  
Accumulated other comprehensive income   7,323 5,620  
Components of net periodic benefit cost [Abstract]        
Service cost   660 611 577
Interest cost   795 944 857
Expected return on plan assets   0 0 0
Amortization of prior service cost/(benefit)   (7) (7) 176
Recognized actuarial loss   200 111 102
Net periodic benefit cost   1,648 1,659 1,712
Estimated amounts that will be amortized from AOCI into net periodic benefit cost in 2013 [Abstract]        
Actuarial loss   284    
Prior service cost/(benefit)   (7)    
Total   277    
Major assumptions used in determining the benefit obligations [Abstract]        
Discount rate (in hundredths)   3.40% 4.40%  
Rate of compensation increase (in hundredths)   2.40% 2.80%  
Major assumptions used in determining the net benefit cost [Abstract]        
Discount rate (in hundredths)   3.40% 4.40% 4.70%
Rate of compensation increase (in hundredths)   2.40% 2.80% 3.00%
Aggregate accumulated benefit obligation   25,946    
Benefit payments expected to be paid out of the plans [Abstract]        
2013   771    
2014   772    
2015   780    
2016   784    
2017   807    
2018-2022   5,162    
SERP [Member]
       
Change in benefit obligation        
Benefit obligation, beginning of year   4,153 5,139  
Service cost   0 0 0
Interest cost   85 150 200
Actuarial loss   88 90  
Benefits paid   (636) (1,226)  
Currency translation affect   0 0  
Benefit obligation, end of year   3,690 4,153 5,139
Change in plan assets        
Benefits paid   (636) (1,226)  
Unfunded status   (3,690) (4,153)  
Amounts recognized in AOCI [Abstract]        
Actuarial loss   958 946  
Prior service cost/(benefit)   287 344  
Accumulated other comprehensive income   1,245 1,290  
Components of net periodic benefit cost [Abstract]        
Service cost   0 0 0
Interest cost   85 150 200
Expected return on plan assets   0 0 0
Amortization of prior service cost/(benefit)   57 57 57
Recognized actuarial loss   76 49 33
Net periodic benefit cost   218 256 290
Estimated amounts that will be amortized from AOCI into net periodic benefit cost in 2013 [Abstract]        
Actuarial loss   99    
Prior service cost/(benefit)   57    
Total   156    
Major assumptions used in determining the benefit obligations [Abstract]        
Discount rate (in hundredths)   1.35% 2.40%  
Major assumptions used in determining the net benefit cost [Abstract]        
Discount rate (in hundredths)   2.40% 3.40% 4.15%
Benefit payments expected to be paid out of the plans [Abstract]        
2013   636    
2014   636    
2015   636    
2016   636    
2017   636    
2018-2022   $ 636