Commitments and Contingencies (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) claim	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Insurance [Abstract]
Expenses related to operating leases and rental agreements	$ 12,900	$ 10,000
New claims filed | claim	0
Third party products claims liability under insurance in other assets	$ 300		$ 311
Third party products claims liability under insurance in other long-term obligations	1,500		$ 1,500
Selling, General and Administrative Expense
Loss Contingencies
Litigation settlement expense	7,600
Payments for Legal Settlements	$ 6,500