Acquisitions Schedule of Intangible Assets by Category (Details) - USD ($) $ in Millions		3 Months Ended
	Apr. 01, 2015	Jun. 30, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Accumulated Amortization		$ 15.0
Useful life	9 years
Policies in Force [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life		7 years
Agency Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life		14 years
Computer Software, Intangible Asset [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life		8 years
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life		10 years
ARX Holding Corp. [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Value at acquisition		$ 520.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Accumulated Amortization		15.0
ARX Holding Corp. [Member] | Policies in Force [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Value at acquisition		256.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Accumulated Amortization		9.2
ARX Holding Corp. [Member] | Agency Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Value at acquisition		159.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Accumulated Amortization		2.8
ARX Holding Corp. [Member] | Computer Software, Intangible Asset [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Value at acquisition		69.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Accumulated Amortization		2.1
ARX Holding Corp. [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Value at acquisition		34.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Accumulated Amortization		0.9
ARX Holding Corp. [Member] | Licensing Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Value at acquisition		1.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Accumulated Amortization		$ 0.0