2015 £m	2014 £m	2013 £m	2012 £m	2011 £m
Revenue	567.2	609.1	619.6	587.8	570.7
Profit:
Headline operating profit	102.1	111.1	107.4	97.5	84.9
Amortisation of acquired intangible fixed assets	(4.2)	(3.9)	(4.5)	(2.0)	(0.9)
Operating profit prior to exceptional items	97.9	107.2	102.9	95.5	84.0
Impairment charge	–	–	–	–	(4.2)
Profit on disposal of investments	–	–	–	2.4	–
Acquisition costs	–	(0.2)	–	(2.5)	–
Reorganisation costs	(20.0)	–	(0.8)	(2.4)	–
Operating profit	77.9	107.0	102.1	93.0	79.8
Net finance costs	(2.9)	(3.3)	(3.7)	(3.0)	(4.2)
Profit before taxation	75.0	103.7	98.4	90.0	75.6
Taxation	(18.8)	(24.4)	(25.3)	(22.8)	(19.8)
Profit after taxation	56.2	79.3	73.1	67.2	55.8
Non-controlling interests	–	0.1	(0.1)	(0.1)	(0.2)
Profit attributable to the equity holders of the parent	56.2	79.4	73.0	67.1	55.6
Headline earnings per share (pence)	39.5	43.8	41.2	37.5	32.6
Dividend per share (pence)	15.1	14.4	13.5	12.3	10.9
Special dividend per share (pence)	10.0	20.0	10.0	–	–
Assets employed
Intangible fixed assets	175.2	172.1	167.9	166.8	111.5
Tangible fixed assets	429.6	434.6	444.6	448.7	443.9
Other assets and liabilities	(67.5)	(71.5)	(80.1)	(77.2)	(73.2)
	537.3	535.2	532.4	538.3	482.2
Financed by
Share capital	33.1	33.1	33.1	33.1	33.0
Reserves	516.1	537.3	513.7	469.6	448.0
Shareholders' funds	549.2	570.4	546.8	502.7	481.0
Non-controlling interests	0.4	0.5	0.6	1.4	1.3
Net (cash) / borrowings	(12.3)	(35.7)	(15.0)	34.2	(0.1)
Capital employed	537.3	535.2	532.4	538.3	482.2
Net assets per share (pence)	286.9	297.9	285.6	262.6	251.5
Return on capital employed (%):
Headline operating profit divided by the average of opening and closing capital employed as adjusted for certain items of goodwill written off	19.0	20.7	19.9	17.9	16.3