CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Common stock, shares issued at Jan. 02, 2015		33,100,000
Stockholders' equity at Jan. 02, 2015	$ 1,133.0	$ 33.1	$ 238.2	$ 999.7	$ (138.0)
Net income	127.6			127.6
Other comprehensive income (loss):
Foreign currency translation	(82.9)				(82.9)
Changes in unrealized pension cost, net of tax	(9.5)				(9.5)
Changes in fair market value of derivatives	(0.1)				(0.1)
Dividend forfeited on common stock	0.1			0.1
Stock-based compensation	14.8		14.8
Issuance of common stock and related tax benefits, shares		200,000
Issuance Of common stock and related tax benefits	(3.6)	$ 0.2	(3.8)
Common stock, shares issued at Jan. 01, 2016		33,300,000
Stockholders' equity at Jan. 01, 2016	1,179.4	$ 33.3	249.2	1,127.4	(230.5)
Net income	120.5			120.5
Other comprehensive income (loss):
Foreign currency translation	(11.9)				(11.9)
Changes in unrealized pension cost, net of tax	(8.5)				(8.5)
Changes in fair market value of derivatives	0.0
Stock-based compensation	16.5		16.5
Issuance of common stock and related tax benefits, shares		100,000
Issuance Of common stock and related tax benefits	$ (3.8)	$ 0.1	(3.9)
Common stock, shares issued at Dec. 30, 2016	33,437,882	33,400,000
Stockholders' equity at Dec. 30, 2016	$ 1,292.2	$ 33.4	261.8	1,247.9	(250.9)
Net income	109.0			109.0
Other comprehensive income (loss):
Foreign currency translation	30.7				30.7
Changes in unrealized pension cost, net of tax	9.9				9.9
Changes in fair market value of derivatives	0.0
Stock-based compensation	18.1		18.1
Issuance of common stock and related tax benefits, shares		300,000
Issuance Of common stock and related tax benefits	$ (0.9)	$ 0.3	(1.2)
Common stock, shares issued at Dec. 29, 2017	33,657,466	33,700,000
Stockholders' equity at Dec. 29, 2017	$ 1,459.0	$ 33.7	$ 278.7	$ 1,356.9	$ (210.3)