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Debt (Details Textual) (USD $)
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1 Months Ended |
3 Months Ended |
6 Months Ended |
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Jun. 30, 2010
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Jun. 28, 2014
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Jun. 29, 2013
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Jun. 28, 2014
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Jun. 29, 2013
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Dec. 28, 2013
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| Convertible Notes (Textual) [Abstract] |
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| Net current liability of convertible senior notes |
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$ 333,333,000 |
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$ 333,333,000 |
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$ 324,826,000 |
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Convertible Senior Notes Due 2015 [Member]
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| Convertible Notes (Textual) [Abstract] |
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| Principal amount, issued |
350,000,000 |
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| Principal amount outstanding |
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350,000,000 |
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350,000,000 |
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350,000,000 |
| Stated interest rate of convertible senior notes |
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2.625% |
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2.625% |
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| Maturity date of convertible senior notes |
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Jun.
01,
2015 |
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| Warrants to purchase shares of common stock price per share (in usd per share) |
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$ 10.78 |
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| Conversion rate of notes |
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132.5205 shares of common stock per $1,000 principal amount of notes, which is equivalent to a conversion price of approximately $7.55 per share of Cadence common stock. |
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| Minimum closing price of common stock for specified days for conversion of notes (in usd per share) |
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$ 9.81 |
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| Minimum number of trading days limit for which closing price exceeds fixed price for conversion of notes |
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20 days |
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| Number of final trading days range within which closing price exceeds the fixed price for conversion of notes |
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30 days |
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| Total expense if convertible notes are converted |
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19,000,000 |
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| Unamortized debt discount expensed if convertible notes are converted |
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16,700,000 |
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| Unamortized transaction fees expensed if convertible notes are converted |
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2,300,000 |
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| Event 1 |
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Closing stock price greater than $9.81 for at least 20 of the last 30 trading days in a fiscal quarter (convertible only for subsequent quarter). |
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| Event 2 |
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Specified corporate transactions |
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| Event 3 |
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Note trading price falls below a calculated minimum |
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| Conversion rate of convertible senior notes subject to certain conversion rate adjustments (in usd per share) |
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$ 7.55 |
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$ 7.55 |
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| Condition 1 |
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Upon certain fundamental corporate changes prior to maturity, the 2015 Note holders could require Cadence to repurchase their notes for cash equal to the principal amount of the notes plus accrued interest.
Upon certain fundamental changes prior to maturity, if Cadence’s stock price were between $6.16 and $40.00 per share at that time, the 2015 notes holder would be entitled to an increase to the conversion rate. This is referred to as a “make-whole premium.” |
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| Minimum closing price of common stock to make whole premium in the form of increase to conversion rate (in usd per share) |
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$ 6.16 |
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| Maximum closing price of common stock to make whole premium in form of increase to conversion rate (in usd per share) |
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$ 40.00 |
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| Conversion rate for convertible senior notes per thousand principal amount of notes |
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132.5205 |
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| Debt instrument principal amount conversion rate for specified shares of common stock |
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1,000 |
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| If converted value of convertible senior notes |
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804,300,000 |
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804,300,000 |
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| Total estimated fair value |
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807,700,000 |
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807,700,000 |
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654,100,000 |
| Fair value of 2015 notes embedded conversion derivative at the time of issuance |
76,600,000 |
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| Estimated fair value of 2015 Notes embedded conversion derivative at the balance sheet date |
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455,800,000 |
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455,800,000 |
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306,800,000 |
| Cost of 2015 Notes Hedges |
76,600,000 |
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| Estimated fair value of 2015 Notes hedges at the balance sheet date |
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455,800,000 |
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455,800,000 |
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306,800,000 |
| Impact on Income statement related to fair value adjustments of 2015 Notes Embedded Conversion Derivative and 2015 Notes Hedges |
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0 |
0 |
0 |
0 |
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| Shares of common stock that can be purchased under warrants (in shares) |
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46,400,000 |
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| Amount received in cash proceeds from the sale of warrants |
$ 37,500,000 |
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| Notes Warrants expiration date description |
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various dates from September 2015 through December 2015 |
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