Income Per Share - Basis of Income Per Share Computation (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Income from continuing operations	$ 23,929	$ 29,068	$ 29,492	$ 22,245	$ 39,478	$ (55,686)	$ 39,705	$ 19,739	$ 104,734	$ 43,236	$ 101,308
Income (loss) from discontinued operations, net of tax	(1,421)				2,428	7,125	2,685	4,536	(1,421)	16,774	13,037
Gain from disposal of discontinued operations, net of tax					124,697	9,783				134,480
Net income	$ 22,508	$ 29,068	$ 29,492	$ 22,245	$ 166,603	$ (38,778)	$ 42,390	$ 24,275	$ 103,313	$ 194,490	$ 114,345
Weighted average shares outstanding, basic									43,871	45,097	47,109
Effect of dilutive common stock equivalents									866	845	995
Weighted average shares outstanding, diluted									44,737	45,942	48,104