Fair Value (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value [Abstract]

Fair value of financial assets and liabilities

	Fair Value Measurements as of December 31, 2011:
Assets	Total			Level 1			Level 2			Level 3
	(In thousands)
Cash equivalents – Money market funds		$	484,102		$	484,102		$	----		$	----
Available-for-sale securities			3,037			3,037			----			----
Trading securities held in Non-Qualified Deferred Compensation Plan (NQDC)			24,058			24,058			----			----
2015 Notes Hedges			215,113			----			215,113			----
Foreign currency exchange contracts			200			----			200			----
Total Assets		$	726,510		$	511,197		$	215,313		$	----
Liabilities	Total			Level 1			Level 2			Level 3
	(In thousands)
Acquisition-related contingent consideration		$	3,911		$	----		$	----		$	3,911
2015 Notes Embedded Conversion Derivative			215,113			----			215,113			----
Total Liabilities		$	219,024		$	----		$	215,113		$	3,911
	Fair Value Measurements as of January 1, 2011:
Assets	Total			Level 1			Level 2			Level 3
	(In thousands)
Cash equivalents – Money market funds		$	463,681		$	463,681		$	----		$	----
Available-for-sale securities			12,715			12,715			----			----
Trading securities held in NQDC plan			28,738			28,738			----			----
2015 Notes Hedges			130,211			----			130,211			----
Foreign currency exchange contracts			1,559			----			1,559			----
Total Assets		$	636,904		$	505,134		$	131,770		$	----
Liabilities	Total			Level 1			Level 2			Level 3
	(In thousands)
Acquisition-related contingent consideration		$	966		$	----		$	----		$	966
2015 Notes Embedded Conversion Derivative			130,211			----			130,211			----
Total Liabilities		$	131,177		$	----		$	130,211		$	966

Liabilities included in level 3 representing fair value of contingent consideration associated with acquisitions

	(In thousands)
Balance as of January 2, 2010	$	----
Additions from acquisitions		858
Accretion		108
Balance as of January 1, 2011	$	966
Additions from acquisitions		3,521
Adjustments		(765	)
Accretion		189
Balance as of December 31, 2011	$	3,911