Cost Reduction Initiatives - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended	3 Months Ended			9 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2013
Restructuring Cost And Reserve [Line Items]
Percentage resulting in noncash charges	66.67%
Cost Reduction Initiatives
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges to cost and expense	$ 70,600	$ 1,858	$ 4,998	$ 3,509	$ 10,365
Cost Reduction Initiatives | Cost of sales
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges to cost and expense		1,005			7,374
Cost Reduction Initiatives | Operating expenses
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges to cost and expense		$ 853			$ 2,991