Summarized Financial Information of Unconsolidated Joint Ventures (Sales, Profit, and Income) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity Method Investments and Joint Ventures [Abstract]
Net sales	$ 52,982	$ 63,297	$ 70,368
Gross profit (loss)	15,214	17,280	13,638
Net income (loss)	$ 8,652	$ 9,486	$ 10,902