Acquisitions and Divestitures - Schedule of Business Acquisitions, by Acquisition (Details) (USD $) In Millions, unless otherwise specified	4 Months Ended	1 Months Ended	3 Months Ended
	Nov. 29, 2014	Aug. 30, 2014	Nov. 29, 2014	May 31, 2014
Fair value of the assets acquired:
Goodwill	$ 303.9		$ 303.9	$ 228.2
Design Within Reach
Business Acquisition
Purchase price	155.2
Fair value of the assets acquired:
Cash	1.2		1.2
Accounts receivable	2.2		2.2
Inventory	47.4		47.4
Other current assets	5.5		5.5
Long term deferred tax asset	3.7		3.7
Goodwill	76.2		76.2
Other intangible assets	69.3		69.3
Property	32.0		32.0
Other long term assets	2.4		2.4
Total assets acquired	239.9		239.9
Fair value of liabilities assumed:
Accounts payable	20.8		20.8
Current deferred tax liabilities	0.6		0.6
Accrued compensation and benefits	1.6		1.6
Other accrued liabilities	12.3		12.3
Long term deferred tax liability	17.5		17.5
Other long term liabilities	0.4		0.4
Total liabilities assumed	53.2		53.2
Redeemable noncontrolling interests	25.7		25.7
Noncontrolling interests	5.8		5.8
Net assets acquired	155.2		155.2
Scenario, Previously Reported [Member] | Design Within Reach
Business Acquisition
Purchase price		155.0
Fair value of the assets acquired:
Cash		1.2
Accounts receivable		2.4
Inventory		47.4
Other current assets		5.5
Long term deferred tax asset		3.7
Goodwill		74.4
Other intangible assets		69.6
Property		32.0
Other long term assets		2.4
Total assets acquired		238.6
Fair value of liabilities assumed:
Accounts payable		20.8
Current deferred tax liabilities		0.6
Accrued compensation and benefits		1.6
Other accrued liabilities		12.3
Long term deferred tax liability		16.4
Other long term liabilities		0.4
Total liabilities assumed		52.1
Redeemable noncontrolling interests		25.7
Noncontrolling interests		5.8
Net assets acquired		155.0
Scenario, Adjustment [Member] | Design Within Reach
Business Acquisition
Purchase price			0.2
Fair value of the assets acquired:
Cash	0		0
Accounts receivable	(0.2)		(0.2)
Inventory	0		0
Other current assets	0		0
Long term deferred tax asset	0		0
Goodwill	1.8		1.8
Other intangible assets	(0.3)		(0.3)
Property	0		0
Other long term assets	0		0
Total assets acquired	1.3		1.3
Fair value of liabilities assumed:
Accounts payable	0		0
Current deferred tax liabilities	0		0
Accrued compensation and benefits	0		0
Other accrued liabilities	0		0
Long term deferred tax liability	1.1		1.1
Other long term liabilities	0		0
Total liabilities assumed	1.1		1.1
Redeemable noncontrolling interests	0		0
Noncontrolling interests	0		0
Net assets acquired	$ 0.2		$ 0.2