Net Income per Share Additional Information (Details) (USD $)
|
9 Months Ended | |||
---|---|---|---|---|
Nov. 27, 2013
Six Percent Tangible Equity Units [Member]
|
Sep. 30, 2014
Convertible Debt [Member]
|
Sep. 30, 2014
Minimum [Member]
Six Percent Tangible Equity Units [Member]
|
Sep. 30, 2014
Maximum [Member]
Six Percent Tangible Equity Units [Member]
|
|
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Interest Rate Percentage | 6.00% | 3.75% | ||
Debt And Equity Instruments, shares to be Issued | 6,547,800 | 7,857,000 | ||
Conversion price of Convertible Notes | $ 24.49 |