XML 57 R40.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 15 - Share Plans (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		2014				2013				2012
Weighted average grant date fair value		$	26.35			$	16.30			$	12.13
Assumptions:
Expected stock price volatility			45	%			47	%			45	%
Risk free interest rate			1.90	%			1.21	%			1.22	%
Expected annual dividend per share		$	-			$	-			$	-
Expected life of options (years)			6.25				6.25				6.25

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		Number of Options				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term (in years)				Aggregate Intrinsic Value ($ in thousands)
Outstanding as of December 31, 2011			4,308,545			$	13.36				8.2			$	63,193
Granted			256,112				21.28
Exercised			(1,113,827	)			13.21
Expired			-				-
Forfeited			(10,788	)			20.52
Outstanding as of December 31, 2012			3,440,042				8.44				9.5			$	87,001
Granted			253,857				35.04
Exercised			(703,326	)			6.05
Expired			(1,625	)			20.94
Forfeited			(51,647	)			17.02
Outstanding as of December 31, 2013			2,937,301				5.74				9.5			$	148,369
Granted			187,189				57.21
Exercised			(549,282	)			3.44
Expired			(259	)			15.94
Forfeited			(32,810	)			12.68
Outstanding as of December 31, 2014			2,542,139				9.94				8.5			$	96,518
Exercisable as of December 31, 2014			1,210,861				4.22				8.4			$	52,014

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

		Shares				Weighted- Average Grant- Date Fair Value
Non-vested as of December 31, 2011			489,302			$	13.93
Granted			195,771				26.94
Vested			-				-
Forfeited			(20,002	)			11.96
Non-vested as of December 31, 2012			665,071				17.75
Granted			112,494				37.82
Vested			(450,537	)			14.21
Forfeited			(22,622	)			25.36
Non-vested as of December 31, 2013			304,406				29.68
Granted			115,473				54.35
Vested			(105,123	)			28.31
Forfeited			(47,472	)			42.31
Non-vested as of December 31, 2014			267,284				38.72

X

- Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration