Shareholders' Equity (Details textual) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
Sep. 04, 2015	Mar. 31, 2016
Stockholders Equity Note [Line Items]
Common stock dividends, paid per share (in dollars per share)	$ 0.12
Retained Earnings
Stockholders Equity Note [Line Items]
Common stock dividends, total cash paid		$ 16.5

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Name:	us-gaap_DividendsCommonStockCash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration