Retirement Plans - Domestic Retirement Plan's Financial Status and Amounts Recognized in Consolidated Balance Sheets (Detail) (Domestic Retirement Plans, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Domestic Retirement Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning of year	$ 46,759	$ 41,170
Service cost	0	130	1,302
Interest cost	1,608	1,616	1,805
Actuarial (gain) loss	(4,700)	6,125
Benefits paid	(1,656)	(1,644)
Curtailment gain	0	(638)
Benefit obligation, end of year	42,011	46,759	41,170
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning of year	0	0
Employer contribution	1,656	1,644
Benefits paid	(1,656)	(1,644)
Fair value of plan assets, end of year	0	0	0
Funded status at December 31	(42,011)	(46,759)
Amounts recognized in the consolidated balance sheets
Other current liabilities	(1,831)	(1,643)
Other liabilities	(40,178)	(45,115)
Accumulated other comprehensive loss	10,849	16,915
Net amount recognized	(31,160)	(29,843)
Accumulated benefit obligation	$ 42,011	$ 46,759
Weighted average assumptions used to determine benefit obligation
Discount rate	4.50%	3.50%