Discontinued Operations (Discontinued Operations' Operating Results) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Disclosure Discontinued Operations Discontinued Operations Operating Results [Abstract]
Net Sales	$ 0	$ 0	$ 25,544
Income from discontinued operations before income taxes	0	0	3,777
Provision for income taxes	0	0	(1,321)
Income from discontinued operations, net of income taxes	$ 0	$ 0	$ 2,456