Document Type [Abstract] Document Type [Abstract] Document Information [Table] Document Information [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock [Member] Common Stock [Member] 1.375% Senior Notes due 2026 [Member] 1.375% Senior Notes due 2026 [Member] 1.375% Senior Notes due 2026 [Member] Document Information, Document [Axis] Document Information, Document [Axis] Document [Domain] Document [Domain] Document Information [Line Items] Document Information [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Written Communications Written Communications Title of 12(b) Security Title of 12(b) Security Document Type Document Type Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Soliciting Material Soliciting Material Pre-commencement Tender Offer Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Document Period End Date Document Period End Date Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key City Area Code City Area Code Local Phone Number Local Phone Number Amendment Flag Amendment Flag Entity File Number Entity File Number Entity Incorporation [Abstract] Entity Incorporation [Abstract] Entities [Table] Entities [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Entity Information [Line Items] Entity Information [Line Items] Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code