XML 70 R80.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee Benefit Plans (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 12 Months Ended
Mar. 24, 2012
Sep. 24, 2011
Sep. 25, 2010
Sep. 26, 2009
Reconciliation of fair value of plan assets [Roll Forward]        
Employer contributions $ 812      
Components of net periodic benefit costs included in operating expenses [Abstract]        
Settlement charge   0 2,818 0
Assumptions used in calculating net periodic benefit costs [Abstract]        
Health care cost trend rate (in hundredths)   7.74%    
Ultimate trend rate for health care costs (in hundredths)   4.48%    
Percentage of sensitivity increase or decrease of assumed health care cost trend rates (in hundredths)   1.00%    
Pension Benefits [Member]
       
Reconciliation of benefit obligations [Roll Forward]        
Benefit obligation at beginning of year   157,626 157,187  
Service cost   0 0 0
Interest cost   6,822 7,503 9,487
Actuarial loss   9,165 9,059  
Lump-sum payments paid   (6,365) (7,889)  
Ordinary benefits paid   (8,129) (8,234)  
Benefit obligation at end of year   159,119 157,626 157,187
Reconciliation of fair value of plan assets [Roll Forward]        
Fair value of plan assets at beginning of year   139,889 140,055  
Actual return on plan assets   7,503 15,957  
Employer contributions   0 0  
Lump-sum payments paid   (6,365) (7,889)  
Ordinary benefits paid   (8,129) (8,234)  
Fair value of plan assets at end of year   132,898 139,889 140,055
Funded status [Abstract]        
Funded status at end of year   (26,221) (17,737)  
Fair value of plan assets at end of year   132,898 139,889 140,055
Amounts recognized in consolidated balance sheets consist of [Abstract]        
Net amount recognized at end of year   (26,221) (17,737)  
Less: Current portion   0 0  
Non-current benefit liability   (26,221) (17,737)  
Amounts not yet recognized in net periodic benefit cost and included in accumulated other comprehensive income (loss) [Abstract]        
Actuarial net (loss) gain   (59,502) (56,267)  
Prior service credits   0 0  
Net amount recognized in accumulated other comprehensive (loss) income   (59,502) (56,267)  
Losses (gains) in accumulated other comprehensive loss expected to be recognized as components of net period benefit costs in succeeding fiscal year   5,271    
Defined Benefit Plan Amounts Recognized in Other Comprehensive Income [Abstract]        
Amount recognized in other comprehensive income net of actuarial losses   7,957 1,181  
Plan Assets [Abstract]        
Number of members on the Benefits Committee   5    
Actual allocation of assets held in trust [Abstract]        
Total (in hundredths)   100.00% 100.00%  
Projected Contributions and Benefit Payments by Fiscal Year [Abstract]        
2012   27,452    
2013   13,804    
2014   13,303    
2015   12,494    
2016   12,079    
2017 through 2021   51,118    
Components of net periodic benefit costs included in operating expenses [Abstract]        
Service cost   0 0 0
Interest cost   6,822 7,503 9,487
Expected return on plan assets   (6,295) (8,080) (9,205)
Amortization of prior service credit   0 0 0
Settlement charge   0 2,818 0
Recognized net actuarial loss   4,721 5,374 4,050
Net periodic benefit costs   5,248 7,615 4,332
Actuarial assumptions [Abstract]        
Weighted-average discount rate used in calculating benefit obligations (in hundredths)   4.375% 4.75%  
Assumptions used in calculating net periodic benefit costs [Abstract]        
Weighted-average discount rate (in hundredths)   4.75% 5.125% 7.625%
Weighted-average expected long-term rate of return on plan assets (in hundredths)   5.00% 6.25% 7.39%
Percentage threshold of the greater of projected benefit obligation and market-related value plan assets as unrecognized actuarial gains and losses (in hundredths)   10.00%    
Pension Benefits [Member] | Level 2 Inputs [Member]
       
Reconciliation of fair value of plan assets [Roll Forward]        
Fair value of plan assets at end of year   132,898 139,889  
Funded status [Abstract]        
Fair value of plan assets at end of year   132,898 139,889  
Pension Benefits [Member] | Equity securities [Member]
       
Target allocation of plan assets - equity securities [Abstract]        
Allocation percentage of plan assets - equity securities, range minimum (in hundredths)   5.00% 5.00%  
Allocation percentage of plan assets - equity securities, range maximum (in hundredths)   25.00% 25.00%  
Actual allocation of assets held in trust [Abstract]        
Equity securities (in hundredths)   12.00% 14.00%  
Pension Benefits [Member] | Short-term investments [Member] | Level 2 Inputs [Member]
       
Reconciliation of fair value of plan assets [Roll Forward]        
Fair value of plan assets at end of year   1,439 [1] 1,259 [1]  
Funded status [Abstract]        
Fair value of plan assets at end of year   1,439 [1] 1,259 [1]  
Pension Benefits [Member] | Domestic equity securities [Member] | Level 2 Inputs [Member]
       
Reconciliation of fair value of plan assets [Roll Forward]        
Fair value of plan assets at end of year   10,823 [1],[2] 13,042 [1],[2]  
Funded status [Abstract]        
Fair value of plan assets at end of year   10,823 [1],[2] 13,042 [1],[2]  
Pension Benefits [Member] | International equity securities [Member] | Level 2 Inputs [Member]
       
Reconciliation of fair value of plan assets [Roll Forward]        
Fair value of plan assets at end of year   5,342 [1],[2] 6,563 [1],[2]  
Funded status [Abstract]        
Fair value of plan assets at end of year   5,342 [1],[2] 6,563 [1],[2]  
Pension Benefits [Member] | Fixed income securities [Member]
       
Target allocation of plan assets - fixed income securities [Abstract]        
Allocation percentage of plan assets - fixed income securities, range minimum (in hundredths)   75.00% 75.00%  
Allocation percentage of plan assets - fixed income securities, range maximum (in hundredths)   95.00% 95.00%  
Actual allocation of assets held in trust [Abstract]        
Fixed income securities (in hundredths)   88.00% 86.00%  
Pension Benefits [Member] | Fixed income securities [Member] | Level 2 Inputs [Member]
       
Reconciliation of fair value of plan assets [Roll Forward]        
Fair value of plan assets at end of year   115,294 [1],[3] 119,025 [1],[3]  
Funded status [Abstract]        
Fair value of plan assets at end of year   115,294 [1],[3] 119,025 [1],[3]  
Retiree Health and Life Benefits [Member]
       
Reconciliation of benefit obligations [Roll Forward]        
Benefit obligation at beginning of year   20,932 21,127  
Service cost   7 7 4
Interest cost   855 1,013 1,381
Actuarial loss   631 285  
Lump-sum payments paid   0 0  
Ordinary benefits paid   (1,530) (1,500)  
Benefit obligation at end of year   20,895 20,932 21,127
Reconciliation of fair value of plan assets [Roll Forward]        
Fair value of plan assets at beginning of year   0 0  
Actual return on plan assets   0 0  
Employer contributions   1,530 1,500  
Lump-sum payments paid   0 0  
Ordinary benefits paid   (1,530) (1,500)  
Fair value of plan assets at end of year   0 0 0
Funded status [Abstract]        
Funded status at end of year   (20,895) (20,932)  
Fair value of plan assets at end of year   0 0 0
Amounts recognized in consolidated balance sheets consist of [Abstract]        
Net amount recognized at end of year   (20,895) (20,932)  
Less: Current portion   1,669 1,620  
Non-current benefit liability   (19,226) (19,312)  
Amounts not yet recognized in net periodic benefit cost and included in accumulated other comprehensive income (loss) [Abstract]        
Actuarial net (loss) gain   1,825 2,492  
Prior service credits   2,358 2,848  
Net amount recognized in accumulated other comprehensive (loss) income   4,183 5,340  
Losses (gains) in accumulated other comprehensive loss expected to be recognized as components of net period benefit costs in succeeding fiscal year   (465)    
Defined Benefit Plan Amounts Recognized in Other Comprehensive Income [Abstract]        
Amount recognized in other comprehensive income net of actuarial losses   631 285  
Projected Contributions and Benefit Payments by Fiscal Year [Abstract]        
2012   1,669    
2013   1,603    
2014   1,540    
2015   1,466    
2016   1,382    
2017 through 2021   5,553    
Components of net periodic benefit costs included in operating expenses [Abstract]        
Service cost   7 7 4
Interest cost   855 1,013 1,381
Expected return on plan assets   0 0 0
Amortization of prior service credit   (490) (490) (490)
Settlement charge   0 0 0
Recognized net actuarial loss   (35) (65) (312)
Net periodic benefit costs   337 465 583
Actuarial assumptions [Abstract]        
Weighted-average discount rate used in calculating benefit obligations (in hundredths)   4.00% 4.25%  
Assumptions used in calculating net periodic benefit costs [Abstract]        
Weighted-average discount rate (in hundredths)   4.25% 5.00% 7.625%
Health care cost trend (in hundredths)   7.95% 8.15% 9.00%
Retirement Savings and Investment Plan 401(K) [Member]
       
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]        
Contributions to the 401(k) Plan   $ 1,201 $ 2,504 $ 5,676
[1] Includes funds which are not publicly traded and are valued at the net asset value of the units provided by the fund issuer.
[2] Includes funds which invest primarily in a diversified portfolio of publicly traded US and Non-US common stock.
[3] Includes funds which invest primarily in publicly traded and non-publicly traded, investment grade corporate bonds, U.S. government bonds and asset-back securities.