Commitments and Contingencies - Activity in Recorded Environmental Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of period	$ 16,599
Expenditures	(1,626)
Reclassified as Liabilities of discontinued operations held for sale	(2,000)
Changes in estimates recorded to earnings and other	34
Foreign currency translation	38
Balance at end of period	13,045
Less amounts reported in Accrued expenses	7,133
Amounts reported in Other noncurrent liabilities	$ 5,912