Condensed Consolidated Stockholders' Equity Statement (Unaudited) - 9 months ended Oct. 02, 2016 - USD ($) shares in Thousands, $ in Thousands	Total	Mandatory Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Beginning balance, shares at Dec. 31, 2015		0	50,335
Beginning balance at Dec. 31, 2015	$ 825,523	$ 0	$ 503	$ 605,660	$ 679,716	$ (402,793)	$ (58,987)	$ 1,424
Beginning balance, Treasury shares at Dec. 31, 2015						(8,354)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	93,740				94,026			(286)
Foreign currency translation, net of $1.5 million tax	(9,855)						(9,823)	(32)
Adjustments to pension and postretirement liability, net of $3.7 million tax	5,934						5,934
Other comprehensive loss, net of tax	(3,921)						(3,889)
Preferred stock issuance, net, shares		52
Preferred stock issuance, net	501,498	$ 1		501,497
Exercise of stock options, net of tax withholding forfeitures	(2,061)			(2,388)		$ 327
Exercise of stock options, net of tax withholding forfeitures, shares						42
Conversion of restricted stock units into common stock, net of tax withholding forfeitures	(3,239)			(4,987)		$ 1,748
Conversion of restricted stock units into common stock, net of tax withholding forfeitures, shares						121
Share-based compensation	14,566			14,566
Preferred stock dividends	(6,695)				(6,695)
Common stock dividends ($0.15 per share)	(6,359)				(6,359)
Ending balance, shares at Oct. 02, 2016		52	50,335
Ending balance at Oct. 02, 2016	$ 1,413,052	$ 1	$ 503	$ 1,114,348	$ 760,688	$ (400,718)	$ (62,876)	$ 1,106
Ending balance, Treasury shares at Oct. 02, 2016						(8,191)