Employment costs during the financial period were as follows:

 
 
52 weeks
ended
30 November
2014
£m
52 weeks
ended
1 December
2013
£m
Staff costs during the period:
Wages and salaries165.8138.4
Social security costs14.612.1
Other pension costs4.12.9
Share-based payment expense6.03.3
Total gross employment costs190.5156.7
Staff costs capitalised to intangible assets(17.3)(15.1)
Staff costs capitalised to property, plant and equipment(4.3)(4.3)
Total employment cost expense168.9137.3
Average monthly number of employees (including Executive Directors) by function
Operational staff6,0014,967
Support staff1,004775
7,0055,742

Included in the share-based payment expense is the IFRS 2 charge of £4.4 million and a £1.6 million provision for the payment of employer's NIC upon allotment of the share awards.