Accumulated Other Comprehensive Income Loss (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at December 29, 2012	$ (137,521)
Other comprehensive income (loss) before reclassifications	(322)
Amounts reclassified from accumulated other comprehensive income (loss): Amortization of unrecognized retirement and benefit costs	4,434
Current period other comprehensive income (loss)	4,112
Income taxes	(1,695)
Net current period other comprehensive income (loss)	2,417
Balance at March 30, 2013	(135,104)
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at December 29, 2012	(288,450)
Amounts reclassified from accumulated other comprehensive income (loss): Amortization of unrecognized retirement and benefit costs	4,434
Current period other comprehensive income (loss)	4,434
Income taxes	(1,695)
Net current period other comprehensive income (loss)	2,739
Balance at March 30, 2013	(285,711)
Accumulated Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at December 29, 2012	150,929
Other comprehensive income (loss) before reclassifications	(322)
Current period other comprehensive income (loss)	(322)
Net current period other comprehensive income (loss)	(322)
Balance at March 30, 2013	$ 150,607