Quarterly report pursuant to Section 13 or 15(d)

Changes in Accumulated Other Comprehensive Income (Loss) (Detail)

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Changes in Accumulated Other Comprehensive Income (Loss) (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 29, 2013
Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance $ (423,135) $ (453,895) $ (416,386)
Other comprehensive income (loss) before reclassifications (27,414) (7,183)  
Amounts reclassified from accumulated other comprehensive income (loss) 9,678 20,207  
Net other comprehensive income (loss) (17,736) 13,024  
Ending balance (440,871) (440,871) (416,386)
Accumulated Translation Adjustment
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance (17,866) [1] (4,068)  
Other comprehensive income (loss) before reclassifications (24,850) [1] (38,648)  
Amounts reclassified from accumulated other comprehensive income (loss) 0 [1] 0  
Net other comprehensive income (loss) (24,850) [1] (38,648)  
Ending balance (42,716) [1] (42,716) [1]  
Accumulated Defined Benefit Plans Adjustment
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance (407,679) (420,538)  
Other comprehensive income (loss) before reclassifications 0 0  
Amounts reclassified from accumulated other comprehensive income (loss) 12,894 25,753  
Net other comprehensive income (loss) 12,894 25,753  
Ending balance (394,785) (394,785)  
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance 1,924 (29,430)  
Other comprehensive income (loss) before reclassifications (1,878) 31,806  
Amounts reclassified from accumulated other comprehensive income (loss) (3,216) (5,546)  
Net other comprehensive income (loss) (5,094) 26,260  
Ending balance (3,170) (3,170)  
Accumulated Net Unrealized Investment Gain (Loss)
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance 486 141  
Other comprehensive income (loss) before reclassifications (686) (341)  
Amounts reclassified from accumulated other comprehensive income (loss) 0 0  
Net other comprehensive income (loss) (686) (341)  
Ending balance $ (200) $ (200)  
[1] Other comprehensive income (loss) for the three months ended June 2013 includes a loss of $21.8 million related to the first quarter of 2013. This out-of-period adjustment did not have a material impact on the current or previous reported quarter.