Intangible Assets and Goodwill - Goodwill Activity (Details) $ in Millions	6 Months Ended
Oct. 01, 2016 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 23.2
Acquisition of MKHKL	96.5
Ending balance	119.7
Retail
Goodwill [Roll Forward]
Beginning balance	8.0
Acquisition of MKHKL	83.9
Ending balance	91.9
Wholesale
Goodwill [Roll Forward]
Beginning balance	13.3
Acquisition of MKHKL	12.6
Ending balance	25.9
Licensing
Goodwill [Roll Forward]
Beginning balance	1.9
Acquisition of MKHKL	0.0
Ending balance	$ 1.9

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant