Restructuring Accruals (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 14,475
Provisions and adjustments	14,345
Amounts applied	(17,875)
Ending Balance	8,608
Restructuring Reserve, Accrual Adjustment	(2,337)
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	12,907
Provisions and adjustments	9,929
Amounts applied	(13,516)
Ending Balance	7,046
Restructuring Reserve, Accrual Adjustment	(2,274)
Employee Severance [Member] | Restructuring Fiscal 2011 And Prior Plans [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	1,495
Provisions and adjustments	0
Amounts applied	(1,069)
Ending Balance	402
Restructuring Reserve, Accrual Adjustment	(24)
Employee Severance [Member] | Restructuring - Fiscal 2012 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	11,412
Provisions and adjustments	1,314
Amounts applied	(9,832)
Ending Balance	880
Restructuring Reserve, Accrual Adjustment	(2,014)
Employee Severance [Member] | Restructuring - Fiscal 2013 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Provisions and adjustments	8,615
Amounts applied	(2,615)
Ending Balance	5,764
Restructuring Reserve, Accrual Adjustment	(236)
Contract Termination
Restructuring Reserve [Roll Forward]
Beginning Balance	1,474
Provisions and adjustments	2,076
Amounts applied	(2,649)
Ending Balance	846
Restructuring Reserve, Accrual Adjustment	(55)
Contract Termination | Restructuring Fiscal 2011 And Prior Plans [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	792
Provisions and adjustments	0
Amounts applied	(136)
Ending Balance	656
Restructuring Reserve, Accrual Adjustment	0
Contract Termination | Restructuring - Fiscal 2012 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	682
Provisions and adjustments	77
Amounts applied	(626)
Ending Balance	92
Restructuring Reserve, Accrual Adjustment	(41)
Contract Termination | Restructuring - Fiscal 2013 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Provisions and adjustments	1,999
Amounts applied	(1,887)
Ending Balance	98
Restructuring Reserve, Accrual Adjustment	(14)
Other Restructuring
Restructuring Reserve [Roll Forward]
Beginning Balance	94
Provisions and adjustments	2,340
Amounts applied	(1,710)
Ending Balance	716
Restructuring Reserve, Accrual Adjustment	(8)
Other Restructuring | Restructuring - Fiscal 2012 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	94
Provisions and adjustments	957
Amounts applied	(994)
Ending Balance	58
Restructuring Reserve, Accrual Adjustment	1
Other Restructuring | Restructuring - Fiscal 2013 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Provisions and adjustments	1,383
Amounts applied	(716)
Ending Balance	658
Restructuring Reserve, Accrual Adjustment	$ (9)