Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Related Party [Member] Convertible Senior Subordinated Notes Due April 2014 [Member]	Jun. 30, 2013 Related Party [Member] Convertible Senior Subordinated Notes Due April 2014 [Member]
Cash flows from operating activities:
Net income	$ 71,589	$ 44,095
Depreciation and amortization	220,389	195,785
Loss on debt retirement	0	11,619
Gain on sale of subsidiary to J-Devices	(9,155)	0
Other operating activities and non-cash items	(24,000)	(13,947)
Changes in assets and liabilities	(23,570)	(36,702)
Net cash provided by operating activities	235,253	200,850
Cash flows from investing activities:
Payments for property, plant and equipment	(230,392)	(222,674)
Proceeds from sale of property, plant and equipment	1,634	25,093
Cash transferred on sale of subsidiary to J-Devices, net of proceeds	(15,774)	0
Payments from J-Devices	0	8,843
Investment in J-Devices	0	(67,372)
Payments to Acquire Short-term Investments	(20,000)	0
Proceeds from Sale of Short-term Investments	20,000	0
Other investing activities	(353)	(2,032)
Net cash used in investing activities	(244,885)	(258,142)
Cash flows from financing activities:
Borrowings under revolving credit facilities	0	5,000
Payments under revolving credit facilities	0	(5,000)
Proceeds from issuance of long-term debt	80,000	293,000
Payments of long-term debt	(140,000)	0
Payments for debt issuance costs	0	(3,357)
Payments for the retirement of debt	0	(11,619)
Payment of deferred consideration for an acquisition	(18,763)	0
Proceeds from the issuance of stock through share-based compensation plans	4,826	0
Payments of tax withholding for restricted shares	(1,006)	(172)
Net cash (used in) provided by financing activities	(74,943)	277,852
Effect of exchange rate fluctuations on cash and cash equivalents	68	2,399
Net (decrease) increase in cash and cash equivalents	(84,507)	222,959
Cash and cash equivalents, beginning of period	610,442	413,048
Cash and cash equivalents, end of period	525,935	636,007
Non cash investing and financing activities:
Common stock issuance for conversion and exchange in 2014 and 2013, respectively, of 6.0% Convertible senior subordinated notes due April 2014, $150 million related party in 2013	$ 56,350	$ 193,650	$ 0	$ 150,000