Fair Value Measurement (Narrative) (Details) - USD ($) $ in Millions	Oct. 02, 2016	Apr. 03, 2016
Fair Value Disclosures [Abstract]
Fair value of deferred compensation plan assets	$ 15.3	$ 14.6
Fair value of convertible notes	$ 377.2	$ 351.5

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Convertible Security
-URI http://asc.fasb.org/extlink&oid=6509036

Name:	us-gaap_ConvertibleDebtFairValueDisclosures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant