Property, Plant, and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Abstract]    
Land and land improvements $ 26,358 $ 30,547
Building and leasehold improvements 111,812 154,521
Machinery, equipment, and other 1,082,030 1,301,368
Construction-in-progress 14,401 37,100
Property, plant, and equipment, gross 1,234,601 1,523,536
Accumulated depreciation (704,064) (780,590)
Property, plant, and equipment, net $ 530,537 $ 742,946