Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

		Three Months Ended
		March 31,
In thousands		2013	2012
Weighted average shares used for basic EPS		27,493	30,590
Dilutive effect of stock options and other share-based awards		494	704
Dilutive effect of convertible debt		950	1,334
Weighted average shares used for diluted EPS		28,937	32,628
Stock options and share-based awards not included in diluted
	EPS calculation because their effect would be antidilutive	254	197