Accumulated Other Comprehensive Income (Changes in Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended			8 Months Ended
		Sep. 10, 2016		Sep. 12, 2015	Sep. 10, 2016		Sep. 12, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance AOCI		$ (57.3)		$ (55.9)	$ (56.1)		$ (49.5)
Other comprehensive income (loss) before reclassifications	[1]	(2.0)		(12.0)	(1.7)		(19.4)
Amounts reclassified from AOCI		(0.2)		(0.2)	(2.1)		2.1
Income tax expense (benefit)		0.1		0.0	0.5		(1.3)
Net reclassifications		(0.1)		(0.2)	(1.6)		0.8
Other comprehensive income (loss)	[1]	(2.1)		(12.2)	(3.3)		(18.6)
Ending balance AOCI		(59.4)		(68.1)	(59.4)		(68.1)
Foreign exchange contracts [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance AOCI		(0.2)		5.9	6.4		8.6
Other comprehensive income (loss) before reclassifications	[1]	3.0		3.8	(0.3)		6.3
Amounts reclassified from AOCI	[2]	(1.5)		(6.6)	(6.2)		(14.0)
Income tax expense (benefit)		0.5		2.2	1.9		4.4
Net reclassifications		(1.0)		(4.4)	(4.3)		(9.6)
Other comprehensive income (loss)	[1]	2.0		(0.6)	(4.6)		(3.3)
Ending balance AOCI		1.8		5.3	1.8		5.3
Interest rate swaps [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance AOCI		(8.8)		(0.3)	(2.4)		0.4
Other comprehensive income (loss) before reclassifications	[1]	0.9		(4.0)	(5.8)		(4.7)
Amounts reclassified from AOCI		0.2	[3]	1.6	0.7	[3]	1.6
Income tax expense (benefit)		(0.1)		(0.6)	(0.3)		(0.6)
Net reclassifications		0.1		1.0	0.4		1.0
Other comprehensive income (loss)	[1]	1.0		(3.0)	(5.4)		(3.7)
Ending balance AOCI		(7.8)		(3.3)	(7.8)		(3.3)
Foreign currency translation adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance AOCI		(37.0)		(26.1)	(47.3)		(16.9)
Other comprehensive income (loss) before reclassifications	[1]	(5.9)		(11.8)	4.4		(21.0)
Amounts reclassified from AOCI		0.0		0.0	0.0		0.0
Income tax expense (benefit)		0.0		0.0	0.0		0.0
Net reclassifications		0.0		0.0	0.0		0.0
Other comprehensive income (loss)	[1]	(5.9)		(11.8)	4.4		(21.0)
Ending balance AOCI		(42.9)		(37.9)	(42.9)		(37.9)
Pension adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance AOCI		(11.3)		(35.4)	(12.8)		(41.6)
Other comprehensive income (loss) before reclassifications	[1]	0.0		0.0	0.0		0.0
Amounts reclassified from AOCI	[4]	1.1		4.8	3.4		14.5
Income tax expense (benefit)		(0.3)		(1.6)	(1.1)		(5.1)
Net reclassifications		0.8		3.2	2.3		9.4
Other comprehensive income (loss)	[1]	0.8		3.2	2.3		9.4
Ending balance AOCI		$ (10.5)		$ (32.2)	$ (10.5)		$ (32.2)

[1] Other comprehensive income (loss) is reported net of taxes and noncontrolling interest.

[2] Amounts reclassified are included in cost of goods sold.

[3] Amounts reclassified are included in interest expense.

[4] Amounts reclassified are included in the computation of net pension expense.